5.1-5.3 version C

Question 1

A1

Answer 1

However, if species with different weaknesses populated Earth, fewer organisms would be killed by the disaster.

Question 2

B1

Answer 2

Habitat disruption can start a chain reaction and affect an entire ecosystem.

Question 3

B2

Answer 3

Populations are often harmed during this chain effect from the likes of lacking a place to live.

Question 4

B3

Answer 4

If this chain effect is left unchecked, it will lead to habitat destruction.

Question 5

B4

Answer 5

For example, if sea otters were overexploited for their fur, sea urchins can consume entire kelp forests freely due to the lack of predators.