Extended answer on biodiversity and its measurements

Question 1

Marks 1 and 2

Answer 1

Measured in terms of species, genetic and ecosystem diversity

Question 2

Marks 3 and 4

Answer 2

Species diversity is made up of species richness and relative abundance of each species
Species richness is the number of different species

Question 3

Marks 5 and 6

Answer 3

Genetic diversity is the number and frequency of different alleles in a population.
Ecosystem diversity is the number of distinct ecosystems in an environment