3.7 - Components of biodiversity

Question 1

name the components of biodiversity

Answer 1

genetic diversity, species diversity, ecosystem diversity

Question 2

what is genetic diversity?

Answer 2

the number and frequency of all alleles within a population

Question 3

if a population of a species dies out what will this result in and what are the consequences?

Answer 3

the species may have lost some of its genetic diversity, this may limit its ability to adapt to changing conditions

Question 4

what are the 2 aspects of species diversity?

Answer 4

species richness - the number of different species in an ecosystem
relative abundance - the proportion of each species in the ecosystem

Question 5

a dominant species in a community results in what?

Answer 5

a lower species diversity than one with the same species richness but no particularly dominant species

Question 6

what is ecosystem diversity?

Answer 6

the number of distinct ecosystems within a defined area