4.2.1 d calculating biodiversity

Question 1

what is the diversity of the organisms present in an area proportional to?

Answer 1

the stability of the ecosystem so the greater the species diversity the greater the stability

Question 2

what can monitoring biodiversity do?

Answer 2

act as a useful tool in successful conservation and environmental management

Question 3

what is the simplest way to measure biodiversity?

Answer 3

count up the number of species present- measure the species richness

Question 4

what is a better measure of biodiversity and why?

Answer 4

Simpson’s index of diversity because it takes into account species richness and evenness

Question 5

what is the formula of Simpson’s index of diversity?

Answer 5

D= 1- sum of (total number of organism of a particular species/ total number of organisms of all species) 2

Question 6

what does Simpson’s index of diversity always result in?

Answer 6

a value between 0 and 1
0 represents no diversity and 1 represents infinite diversity
the higher the value, the more diverse the habitat

Question 7

how are some organisms present in low diversity habitats?

Answer 7

they are highly adapted to the extreme environment of the habitat