biodiversity within a community

Question 1

what is a biodiversity?

Answer 1

a variety of living organisms relating to a range of habitats

Question 2

what is a community?

Answer 2

all populations of different species that live in an area

Question 3

what is species richness?

Answer 3

a measure of the number of different species in a community

Question 4

what does index of diversity do?

Answer 4

describes the relationship between: the number of species in a community (species richness) and the number of individuals in each species (population size)

Question 5

suggest why index of diversity is more useful than species richness

Answer 5

-takes into account number of individuals in each species so takes into account that some species may be present in small or high numbers

Question 6

describe how index of diversity values can be interpreted

Answer 6

high- many species present evenly represented
low-habitat dominated by one or a few species