U3 KA7

Question 1

What is Biodiversity?

Answer 1

• the variety of life within an ecosystem.

Question 1

What are the 3 components of Biodiversity?

Answer 1

• genetic diversity.
• species diversity.
• ecosystem diversity.

Question 2

What is genetic diversity?

Answer 2

• the number and frequency of alleles within a population.

Question 3

What happens to a populations genetic diversity when a species dies out?

Answer 3

• the species may have lost some of its genetic diversity, limiting its ability to adapt to changing conditions.

Question 4

What is species diversity made up of?

Answer 4

• species richness.
• relative abundance.

Question 5

What is species richness?

Answer 5

• the number of different species in an ecosystem.

Question 6

What is relative abundance?

Answer 6

• the proportion of each species in an ecosystem.
• eg. 0.45, 0.75 (always <1).

Question 7

What is ecosystem diversity?

Answer 7

• the number of distinct ecosystems in a certain area.