Diversity Within A Community

Question 1

What’s biodiversity

Answer 1

The general term used to describe the variety in the living world, it refers to the number and variety of living organisms in a particular area

Question 2

What are he 3 components of biodiversity and explain them

Answer 2

Species diversity - refers to the number of different species and the number of individuals of each species within any one community

Genetic diversity - refers to the variety of genes possessed by the individuals that make up a population of a species

Ecosystem - refers to the range of different habitats, from a small local habitat to the whole of the earth

Question 3

What is a measure of species diversity

Answer 3

Species richness - what percent of a species lives there

Question 4

How do we measure the index of diversity

Answer 4

D=N(N-1) / the sum of n(n-1)

D-index of diversity

N- total number of organisms of all species

n- total number of organisms of each species

Question 5

Explain why it is more useful to calculate a species diversity index than just record the number of species present

Answer 5

It measures both the number of species and the number of individuals. It therefore takes account of species that are only present in small numbers