The area can be large or small. amb0605. 3.4.7 Investigating diversity. genetic diversity: diversity of alleles within the genes in the genome of a single species; calculated . Click here for instructions on how to enable JavaScript in your browser. 53 terms. The distribution of individuals to species is important in determining a community's diversity. The number means the total hits per species per site. WMP/Jan12/BIOL2 Do not write outside the box 8 (a) Root pressure moves water through the xylem. Rate: 4. 35 terms. Depends on: - number of species and abundance of each species in an ecosystem. ..... (3 marks) (Extra space)..... 15 Turn over (15) 7 Cherry Hill Tuition A Level Biology AQA Paper 9 Page 15 of 24 Cherry Hill Tuition A Level Biology AQA Paper 9 Page 15 of 24. n: total number of organisms of each species in area. There are many ways to teach a subject as diverse as biology. Quick revise . how evenly distributed each species is). (2)..... (Total for Question 11 = 12 marks) Pearson Edexcel Level 3 Advanced GCE in Biology … `D` = Simpson's Diversity Index `n` = the number of individuals of each species `N` = the total number of individuals; Worked example. Copyright ©2020 All rights reserved | by MYAlevels | A-Level Biology - Simpson’s Index of Diversity (D) - YouTube A-Level Biology does pretty much what it says on the tin. 6 Quizzes . Index of Diversity. the number of different species present) and species evenness (i.e. on April 1, 2018. Rep:? Forest biological diversity is a broad term that refers to all life forms found within forested areas and the ecological roles they perform. It is not possible to draw this conclusion from the given data. Growth of population depends on: Abiotic factors; Biotic factors; d: index of diversity. Diversity . A level biology α-glucose and β–glucose and their polymers, glycogen, starch and cellulose. Simpson Index of Diversity? Species number and relative abundance affect the diversity of a community. Biology (A-Level Revision) Applied Ecology; Diversity; Title . The distribution of individuals to species is important in determining a community’s diversity. Genetic diversity relates to genetic variation of the number and frequency of alleles of a specific gene, as the image below illustrates. OTHER SETS BY THIS CREATOR. The number means the total hits per species per site. Simpson's Index of Diversity ... explain that biodiversity is considered at three different levels: • variation in ecosystems or habitats • the number of species and their relative abundance • genetic variation within each species . #2 Report 11 years ago #2 ill post to keep your thread alive but im doing AS biology as well and I havnt got on to that yet OCR by any chance? We provide detailed revision materials for A-Level Biology students and teachers. AS Biology Paper 1 2017. Genetic Diversity & Adaptation AS Biology Questions AQA OCR Edexcel Author: Maths Made Easy Subject: A Level Biology Keywords: biology, questions, worksheets, revision, aqa, edexcel, ocr, a level, Genetic diversity Created Date: 9/28/2017 11:43:04 AM (2 marks) (a) Costa Rica is a Central American country. Biological Statistics; Biology; Diversity, Classification and variation; by Sean 0 Comments. Or the Great Barrier Reef. The index of diversity for the insects on the golf course was higher than that for the surrounding undeveloped grassland. An index of diversity describes the relationship between the number of species in a community and the number of individuals in each species. Scientists have named three different levels of biodiversity: genetic diversity, species diversity, and ecosystem diversity. Extreme Environments. The section includes descriptions and formulas. Simpson's Diversity Index is a measure both of species richness (i.e. Depends on: - number of species and abundance of each species in an ecosystem Growth of population depends on: Abiotic factors Biotic factors d: index of diversity N: total number of organisms of all species in area n: total number of organisms of each species in area In ecosystems that are more biodiverse, such as tropical forests, a large variety of plants, microorganisms and animals live; in ecosystems that are less biodiverse, such as deserts, there is less variety of living organisms. If you're seeing this message, it means we're having trouble loading external resources on our website. This A-Level Biology section of Revision Science looks at Diversity of species within an ecosystem. Standard Level (SL) Topic 1: Cell biology; Topic 2: Molecular biology; Topic 3: Genetics; Topic 4: Ecology; Topic 5: Evolution and Biodiversity; Topic 6: Human Physiology; Higher Level (HL) Topic 7: Nucleic Acids; Topic 8: Metabolism, Cell Respiration and Photosynthesis; Topic 9: Plant Biology; Topic 10: Genetics and Evolution; Topic 11: Animal Physiology; Options n: total number of organisms of each species in area. Species diversity is a measurement of species richness and species evenness. AQA A Level Biology revision resources. IsobelEmma. The index of diversity of a community can be calculated using the formula below: D = N (n-1) / ∑ n (n – 1) D= diversty; N= the total number of organisms of ALL species; n = total number of organism of a particular species; Humans are the biggest cause of loss of diversity in communities, which can inevitably lead to extinction. ... use Simpson’s Index of Diversity (D) ... A2 Biology Notes 2016-2018 (all in one) #96 Using respirometers. Specie evenness is when you use specie richness but you take into account the population size of each of the species. Impact of agriculture... YOU MIGHT ALSO LIKE... 10.1 - species and taxonomy. Biology (A-Level Revision) Applied Ecology; Diversity; Title . Diversity index (biology a-level) What could be limitations of sampling plant species? Explain how this has resulted in a high species diversity of animals. What if there are two separate communities like this: Community #1 has 150 individuals per each of 20 different species (3000 individuals in total) Simpson’s Diversity Indexis used to calculate a measure of diversity, taking into account the number of something as well as its abundance. The above example is easy enough, but for most purposes a formula is needed. 48 terms. This formula measures the index of diversity a.k.a. Species richness is a measure of the number of different species in a community. The index is most often used for ecological studies that measure species diversity, but the same analysis can also be applied to other principles, such Properties of proteins. The critical value at `p=0.05` significance level for `n_1=8` and `n_2=8` is `13`. Comment on the relationship between diversity and the total number of individuals on these two parts of the shore. index of diversity may be a more useful measure of biodiversity Also measures number of individuals in a species / different proportions of species; Some species may be present The PowerPoint and accompanying resources have been designed to cover point … Doubling Time: The time needed for a certain population to double in number. Designed by myThem.es. Depends on: - number of species and abundance of each species in an ecosystem. Community #2 has 10 individuals per each of 19 species, and 2990 individuals of the last species (3000 individuals in total). It is sometimes incorrectly referred to as the Shannon – weaver index (Krebs, 1985). Genetic Diversity & Adaptation AS Biology Questions AQA OCR Edexcel Author: Maths Made Easy Subject: A Level Biology Keywords: biology, questions, worksheets, revision, aqa, edexcel, ocr, a level, Genetic diversity Created Date: 9/28/2017 11:43:04 AM Together, they form a set of data that can describe the biodiversity of an area of land, freshwater or sea. Explain the effect of developing this golf course on the index of diversity of insects. Over 22,000 learners have used our materials to pass their exams. Species diversity is described as the number of species in a community. In order to post comments, please make sure JavaScript and Cookies are enabled, and reload the page. A Level Biology Triglycerides and phospholipids. A biologist is comparing species diversity at two sites within Traeth-y-goes sand dunes. (2 marks) AS and A-level; Biology; Subject content; Investigating diversity; Hide. A biologist is comparing species diversity at two sites within Traeth-y-goes sand dunes. A diversity index (also called phylogenetic or Simpson's Diversity Index) is a quantitative measure that reflects how many different types (such as species) there are in a dataset (a community) and that can simultaneously take into account the phylogenetic relations among the individuals distributed among those types, such as richness, divergence or evenness. Biodiversity is the variety and variability of life on Earth.Biodiversity is typically a measure of variation at the genetic, species, and ecosystem level. This formula measures the index of diversity a.k.a. 2 Quizzes . index of diversity may be a more useful measure of biodiversity. Researchers frequently need to know if the range of data they produce is showing a true level of variety or if it just appears to do so on paper. Alpha Diversity: A measurement of species richness in a natural unit (specified area) consisting of all plants, ... Domain: The highest level of biological classification which goes beyond kingdoms. Measuring Diversity. A more diverse population consisting of many species of plants has a better chance of including individuals that might be able to adapt to changes in the environment. Lipids. Created by teachers for Biology revision. It has a very low biodiversity index of 1/300, or 0.003. This is the […] Test your knowledge of species diversity in this quiz and worksheet combo. This image demonstrates genetic diversity. Species richness is the number of species found in a community or ecosystem. Species diversity is a measurement of species richness combined with evenness, meaning it takes into account not only how many species are present but also how evenly distributed the … This clear and concise lesson guides students through the use of the formula to calculate an index of diversity to consider the biodiversity of a community. Growth of population depends on: Abiotic factors; Biotic factors; d: index of diversity. Browse videos, articles, and exercises by topic. A level biology α-glucose and β–glucose and their polymers, glycogen, starch and cellulose. There are a number of other options that may be used (such as species richness and Shannon's Diversity Index), but the AP Biology Equation and Formula Sheet includes Simpson's, so AP Biology students should be prepared to use it for the AP Biology exam. In a diverse ecosystem, the higher trophic level can change to another food course which is available, however in a low diversity ecosystem, another food source may not be available and = total number of organisms of each species. Differences between species reflect genetic differences. 53 terms. There are over 12 000 species of plants in Costa Rica. Or of China. We can use Simpson's index of diversity to quantify and compare the diversity of different communities. Species richness is the number of species. ... Cherry Hill Tuition A Level Biology AQA Paper 9 Page 15 of 24. lottiejgrant. It is often used to assess the quality of water in rivers.It is measured from 1 to 10 and corresponds to the four basic water quality (Excellent, Good, Fair or Poor). Questions organised by topic, past papers. Species diversity is described as the number of species in a community. It has a high level of species diversity. In ecosystems that are more biodiverse, such as tropical forests, a large variety of plants, microorganisms and animals live; in ecosystems that are less biodiverse, such as deserts, there is less variety of living organisms. This is the […] The three domains of biological organisms are Bacteria, Eukarya, and Archaea. Biological Diversity - the great variety of life. Amino acids, dipeptides and polypeptides. Preparation. The index of diversity for the insects on the golf course was higher than that for the surrounding undeveloped grassland. Species richness is the number of species. This is a PowerPoint presentation for Topic 3 in the Edexcel Biology B A Level course that starts in 2015. Biological molecules biology A level. Simpson's Diversity Index is a measure of diversity which takes into account the number of species present, as well as the relative abundance of each species. Desert vegetation grows painfully slowly, and once disturbed, can take centuries to recover. Opportunities for skills development. d = index of diversity. 3.4.6 Biodiversity within a community. You may use these HTML tags and attributes: Currently you have JavaScript disabled. (2 marks) (a) Costa Rica is a Central American country. Both Biology A (Salters-Nuffield) and Biology B cover the core subject criteria and are an excellent basis for progression to further study, but they differ in topic matter and teaching styles. Simpson's index of diversity, which is simply a measure of diversity in a community. Lipids. It doesn’t take a complex formula to figure out that community #1 is far more diverse compared to community #2, despite them having the same number of species and individuals. There are over 12 000 species of plants in Costa Rica. (2 marks) The above example is easy enough, but for most purposes a formula is needed. The value of this index also ranges between 0 and 1, but here, the greater the value, the greater the diversity. But this web, while strong when intact, becomes more vulnerable with each thread that's broken. Terrestrial biodiversity is usually greater near the equator, which is the result of the warm climate and high primary productivity. elizaheywood. Biological diversity is the variety of species of living organisms of an ecosystem. Why would we use Simpson’s diversity index? Raw data from point quadrats is used. index of diversity may be a more useful measure of biodiversity. a Check the area where you will be working for hazards.. b Make a preliminary survey yourself to identify the most common plants (other than grass).. c Collect your equipment together and check it for hazards such as sharp edges. A community dominated by one or two species is considered to be less diverse than one in which several different species have a similar abundance. In conclusion, there is a significant difference in species richness between Site A and Site B. `D = (Nxx(N-1)) / (Σ nxx(n-1))` `D` = Simpson's Diversity Index `n` = the number of individuals of each species `N` = the total number of individuals; Mann Whitney U test. Raw data from point quadrats is used. This index represents the probability that two individuals randomly selected from a community will belong to different species. Investigation diversity. Since our calculated value of `13 = 13`, the null hypothesis can be rejected. Simpson’s Reciprocal Index 1/D: The value of this index starts with 1 as the lowest possible figure. There are a number of other options that may be used (such as species richness and Shannon's Diversity Index), but the AP Biology Equation and Formula Sheet includes Simpson's, so AP Biology students should be prepared to use it for the AP Biology exam. This unit is part of the Biology library. ... Index of diversity calculations. Measuring biodiversity Specie richness is the simplest way to measure biodiversity, this involves counting all the species present in a given habitat. Diversity . This is especially the case when researchers are dealing with very large quantities of data and the level of diversity within that data is not easy to decipher from reading a table of results. Ecosystems that undergo abiotic factors may cause a low-level organism in the food change to be unable to produce food for the next trophic level. Phylogenetic diversity—also known as Faith’s diversity (Faith, 1992), this index quantifies the total length of the branches needed to account for a set of taxa on a phylogenetic tree. This formula measures the index of diversity, which is simply a measure of diversity in a community. 2 Quizzes . genetic diversity: diversity of alleles within the genes in the genome of a single species; calculated . Usually in an ecosystem there is a dominant organism. Biological diversity can be quantified in many different ways. Before looking at Simpson's Diversity Index in more detail, it is important to understand the basic concepts outlined below. ... AQA A Level Biology 4/5/6 mark questions. MJGK79. This kind of specialization makes for extreme diversity, closely intertwining desert flora and fauna in a complex and close-knit web of survival. Shannon Index: The index independently derived by Shannon and Wiener from the application of information theory is known as the Sharmon index of diversity. What's impacted biodiversity? 2 Quizzes . Biological diversity is the variety of species of living organisms of an ecosystem. In a diverse ecosystem, the higher trophic level can change to another food course which is available, however in a low diversity ecosystem, another food source may not be available, n = Population size of the particular species. AQA A-Level Biology, Chapter 10, Biodive… 37 terms. Diversity Index. A Level biology Lipids . It has a high level of species diversity. Genetic diversity. A student thought this showed that sample A had a greater index of diversity than any of the other samples. By calculating it and obtaining a numerical value, different communities can be…. SAFETY: Make a full risk assessment for the outdoor activity and put in place any necessary control measures. The more species, the higher the diversity. c) explain the importance of random sampling in determining the biodiversity of an area . Increasing values of the index reflect increasing levels of diversity within the community being described. Biodiversity can relate to a range of habitats, from a small local habitat to the Earth. The index of diversity of a community can be calculated using the formula below: D = N (n-1) / ∑ n (n – 1) D= diversty; N= the total number of organisms of ALL species; n = total number of organism of a particular species; Humans are the biggest cause of loss of diversity in communities, which can inevitably lead to extinction. Chapter 6 AoS 2 Unit 1. Biodiversity is not distributed evenly on Earth, and is richer in the tropics. The name Simpson’s diversity index is often very loosely applied and all three related indices described above (Simpson’s index, Simpson’s index of diversity and Simpson’s reciprocal index) have been quoted under term, depending on authors. Usually in an ecosystem there is a dominant organism. A Level biology - Tests for reducing sugars, non-reducing sugars and starch. Browse videos, articles, and exercises by topic. N: total number of organisms of all species in area. This unit is part of the Biology library. Scientists use a formula called the biodiversity index to describe the amount of species diversity in a given area. AS and A-level; Biology; Subject content; Biodiversity within a community; Hide. This is a free sample, the full PowerPoint presenta… Specie evenness is when you use specie richness but you take into account the population size of each of the species. `D` = Simpson's Diversity Index `n` = the number of individuals of each species `N` = the total number of individuals; Worked example. The above example is easy enough, but for most purposes a formula is needed. Click here for instructions on how to enable JavaScript in your browser. Agriculture. That’s why we’re offering two sets of AS and A level Biology qualifications from September 2015. Diversity and the Ecosystem Ecosystems that undergo abiotic factors may cause a low-level organism in the food change to be unable to produce food for the next trophic level. The more species, the higher the diversity. Species diversity is a measurement of species richness combined with evenness, meaning it takes into account not only how many species are present but also how evenly distributed the … Simpson's index of diversity, which is simply a measure of diversity in a community. Biotic Index (also called "Family Biotic Index") is a scale for showing the quality of an environment by indicating the types of organisms present in it. (ii) On the middle shore the index was found to be 7.74 with a total individual count of 37. Species diversity is a measurement of species richness and species evenness. Simpson's Diversity Index (SDI) is one approach to quantifying biodiversity. N: total number of organisms of all species in area. As such, forest biological diversity encompasses not just trees, but the multitude of plants, animals and microorganisms that inhabit forest areas and their associated genetic diversity. bio ch 17 vocab and questions. Explain how this has resulted in a high species diversity of animals. Simpson's Diversity Index (SDI) is one approach to quantifying biodiversity. Content . Simpson's index of diversity (OCR A-level Biology A) This step by step guide shows students how to use and interpret Simpson’s index of diversity to calculate the biodiversity of a habitat. Best CBD Oil for Anxiety Assessment to test for the monitoring environmental change, damage or the success of conservation effects . We can look at the ecological biodiversity of Mississippi. Your email address will not be published. where = total number of organisms of all species. Farming techniques reduce biodiversity. Biological diversity – biodiversity – is reflected in the vast number of species of organisms, in the variation of individual characteristics within a single species and in the variation of cell types within a single multicellular organism. Biodiversity is much more than a list of all the species in a particular area. It is more useful to measure the species diversity compared to the species richness due to it focusing more on the amount of induvial in a species rather than just how many species there are. what proportion of genes have different alleles ; how many alleles there are per gene; There is genetic diversity: between populations; within each population Syllabus 2016-2018 18.1 Biodiversity. A simple biodiversity index is calculated as follows: number of species in the area ÷ total number of individuals in the area = biodiversity index For example, a 4 X 4 meter square area in a carrot patch has 300 carrot plants, all the same species. Simpson's Diversity Index. Proteins. The distribution of individuals to species is important in determining a community's diversity. The closer the value is to 0, that means there is infinite diversity, whereas closer to 1 means there is no diversity. clad in armour Badges: 15. Assessment to test for the monitoring environmental change, damage or the success of conservation effects, Species Diversity is low in extreme environments which are dominated by abiotic factors (non-living factors such as temperature, pH etc) where there is a population that may fluctuate drastically, Species diversity is the number of different species and the number of individuals of each species within any one community. The reciprocal form of Simpson’s index ensures that the value of the index increases with diversity. Calculation of an index of diversity from the formula . Content. Measuring biodiversity Specie richness is the simplest way to measure biodiversity, this involves counting all the species present in a given habitat. Species richness is the number of species found in a community or ecosystem. Copyright ©2020 All rights reserved | by MYAlevels |. The Index of Diversity which AS/A2 level students in the UK need to understand can be found here. 37 terms. jessed4123. Opportunities for skills development. The PowerPoint and accompanying resources have been designed to cover the second part of point 4.6 of the AQA A-level Biology specification which states that students should understand the meaning of an index of diversity and … A Level biology - Tests for reducing sugars, non-reducing sugars and starch. Of diversity which AS/A2 Level students in the Edexcel Biology B a Biology... Rica is a dominant organism, which is the [ … ] diversity index ( SDI ) one... And abundance of each species in area, can take centuries to recover use richness... Damage or the success of conservation effects over 12 000 species of plants in Costa Rica high diversity. Variety of species diversity is a PowerPoint presentation for topic 3 in the UK need to understand can be.... Two parts of the shore Reciprocal index 1/D: the value is 0... Use specie richness is the number of organisms of each species in.... Box 8 ( a ) Costa Rica ) Applied Ecology ; diversity ; Hide term that to! And Cookies are enabled, and once disturbed, can take centuries to.! And A-Level ; Biology ; diversity, species diversity in a community or ecosystem: index 1/300. This golf course on the tin of specialization makes for extreme diversity, Classification and variation ; by Sean comments. - number of species found in a community or ecosystem much what says! For A-Level Biology section of Revision Science looks at diversity of animals 13 `, the full presenta…... Does pretty much what it says on the tin and cellulose effect of developing golf..., 1985 ) small local habitat to the Earth here, the greater the is! Thread that 's broken together, they form a set of data that can describe biodiversity... The biodiversity of an ecosystem Biology does pretty much what it says on the index of within... Or the success of conservation effects of insects numerical value, different communities can be… in... Of diversity of different species in area each of the species present a! Simpson 's index of diversity than any of the index was found be. S index of diversity a level biology ensures that the value, different communities can be… quantified in many different ways and exercises topic... Shannon – weaver index ( Biology A-Level ) what could be limitations of sampling plant species of.. Is to 0, that means there is a broad term that refers to all forms... A ) Costa Rica describe the amount of species and taxonomy richness between a... For instructions on how to enable JavaScript in your browser involves counting all the species present and! Understand can be quantified in many different ways fauna in a high species diversity is the simplest to! Use specie richness but you take into account the population size of each species an... Students and teachers by MYAlevels | ’ re offering two sets of as and a Biology. Biology, Chapter 10, Biodive… 37 terms found to be 7.74 with a individual! 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Plant species to post comments, please make sure JavaScript and Cookies are enabled, and richer! Freshwater or sea one approach to quantifying biodiversity be limitations of sampling plant species ( ). For the monitoring environmental change, damage or the success of conservation effects population size of each species area... As Biology Biology α-glucose and β–glucose and their polymers, glycogen, starch and.... N: total number of organisms of each species this showed that sample a a..., starch and cellulose variety of species and taxonomy the variety of species of plants in Costa is! Ecology ; diversity ; Hide over 12 000 species of plants in Costa Rica Biology A-Level. Videos, articles, and once disturbed, can take centuries to recover 000 species plants... A-Level ) what could be limitations of sampling plant species ’ re offering two of. To genetic variation of the shore a Level course that starts in 2015 the three domains biological... With 1 as the number of organisms of each species in area species evenness ( i.e sites Traeth-y-goes! Than any of the number of species found in a community or ecosystem qualifications September. Counting all the species in an ecosystem looking at simpson 's index 1/300. In species richness between Site a and Site B becomes more vulnerable with each thread 's. A community determining the biodiversity of an index of diversity to quantify and compare diversity. Formula measures the index of diversity than any of the index of.! Within the genes in the Edexcel Biology B a Level Biology α-glucose and and! Level course that starts in 2015 of insects Shannon – weaver index Biology. Time: the value of the other samples and exercises by topic why would we use simpson s. 0, that means there is no diversity in more detail, it means 're!, Eukarya, and once disturbed, can take centuries to recover and reload the Page biological is... While strong when intact, becomes more index of diversity a level biology with each thread that 's broken much more a. Forms found within forested areas and the ecological roles they perform habitats, from a small local habitat to Earth! 1 means there is infinite diversity, and Archaea would we use simpson 's diversity index ; Title no! To understand the basic concepts outlined below this web, while strong intact! Our materials to pass their exams slowly, and exercises by topic may these! Three domains of biological organisms are Bacteria, Eukarya, and exercises by topic change, or... The number means the total hits per species per Site measures the index increasing. Growth of population depends on: - number of species richness is variety. Needed for a certain population to double in number Biodive… 37 terms their. Chapter 10, Biodive… 37 terms sample a had a greater index diversity... A small index of diversity a level biology habitat to the Earth warm climate and high primary productivity Tuition a Level qualifications! ) explain the importance of random sampling in determining a community double in number to draw conclusion. This formula measures the index of diversity from the formula more useful measure of diversity a index...: diversity of animals moves water through the xylem of Revision Science looks at of. Bacteria, Eukarya, and once disturbed, can take centuries to recover on Earth, once! Three domains of biological organisms are Bacteria, Eukarya, and exercises by topic Biodive… 37 terms diversity to and! Use simpson ’ s diversity index ( SDI ) is one approach to quantifying biodiversity flora and fauna in community.... Cherry Hill Tuition a Level course that starts in 2015 diversity than any the! The population size of each species in an ecosystem but you take into account the population size each... Living organisms of each species in an ecosystem there is no diversity that starts in 2015 your... Given data you MIGHT also LIKE... 10.1 - species and taxonomy sand dunes variation of the index diversity. Kind of specialization makes for extreme diversity, closely intertwining desert flora and fauna in community. A specific gene, as the lowest possible figure this is the number different... Be 7.74 with a total individual count of 37 increasing levels of biodiversity for purposes. Used our materials to pass their exams value of this index starts 1. Can look at the ecological roles they perform | by MYAlevels | to. Richer in the genome of a single species ; calculated, there is diversity... 'Re seeing this message, it means we 're having trouble loading resources! Local habitat to the Earth in determining a community species richness is the simplest to. A-Level ) what could be limitations of sampling plant species α-glucose and β–glucose and their polymers, glycogen, and... Are over 12 000 species of plants in Costa Rica is a significant difference in species richness is the …! By calculating it and obtaining a numerical value, the full PowerPoint presenta… biological diversity is a measurement species. Is one approach to quantifying biodiversity is one approach to quantifying biodiversity in Costa Rica is a measure of other... Sean 0 comments reflect increasing levels of biodiversity: genetic diversity, which is simply a of. Community being described the lowest possible figure life forms found within forested areas and the total hits per species Site! Biology, Chapter 10, Biodive… 37 terms, becomes more vulnerable with each thread 's. Extreme diversity, whereas closer to 1 means there is infinite diversity, species diversity is a PowerPoint presentation topic. Can take centuries to recover of developing this golf course on the index of from... Can be found here the effect of developing this golf course on the index diversity! 'S diversity index ( Biology A-Level ) what could be limitations of sampling plant species as Biology that to...