Biodiversity (4.2)

Question 1

Define the term biodiversity

Answer 1

the variety of plant and animal life in the world or in a particular habitat, a high level of which is usually considered to be important and desirable.

Question 2

Define the term endemic

Answer 2

native and restricted to a certain place

Question 3

Give the formula for heterozygosity index

Answer 3

2pq

Question 4

Explain how heterozygosity index gives a measure of biodiversity

Answer 4

It measures the amount of variation in an ecosystem and within a species.

Question 5

Give the formula for index of diversity

Answer 5

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

Question 6

The index of diversity of two coral reefs is calculated, the values are: 2.42 and 3.66. Explain which value shows the greatest biodiversity

Answer 6

Coral reef 2 displays the most biodiversity as it has the higher index of diversity value

Question 7

Define the term species richness

Answer 7

The number of species within a defined region

Question 8

Define the term species evenness

Answer 8

The number of individuals of a particular species within an area