Biology AS (Topic Flashcards) Flashcards on Biodiversity, created by Alice Hathaway on 25/04/2017.
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Created by Alice Hathaway
over 7 years ago
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Close
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Created by Alice Hathaway
over 7 years ago
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Biodiversity
Habitat
Species Richness
Community
What is Random Sampling?
Why is it "Random"?
How does it remove bias?
What is the first step in a method of random sampling?
Step 2
Why is a random number generator used?
Step 3
How is this quadrat used?
(Step 4)
How can the effect of chance be reduced?
How does increasing the sample size decrease the effect of chance?
What is the ideal sample size?
How does data analysis with statistics reduce effect of chance?
What are methods of statistical analysis?
Index of diversity
How is index of diversity calculated?
What is D?
What is N?
What is n?
How does agriculture or deforestation impact on species diversity?
How could a farmer increase diversity or species richness through conservation?
Why is it more useful to calculate index if diversity than just number of species?
Suggest a explanation for relationship between the idea of diversity for an animal (birds) and structural diversity for plants?
What is shown by a higher index of diversity?
Why is index diversity better than just the number of species present?
