Biodiversity and Ecological Health Quick Check Answers

1. Imagine that an ecosystem contains rabbits, foxes, wolves, and deer. The following predator-prey relationships exist:

Rabbits are eaten by foxes and wolves
Deer are eaten by wolves
Foxes are eaten by wolves
Select the animal whose absence would have the greatest negative effect on the ecosystem.
Answer: Wolf

2. In an ecosystem with low biodiversity, the removal of a species will
Answer: disturb the ecosystem because another species will not be able to replace it.

3. Biodiversity is measured by
Answer: counting the number and variation of different species of plants, animals, and other organisms that interact within an ecosystem.

4. Which statement best describes ecological health?
Answer: Ecological health concerns the relationship among ecosystems, ecosystem services, and human health.

Answers are all correct for Unit 7 Lesson 6 Quick Check

1. Imagine that an ecosystem contains rabbits, foxes, wolves, and deer. The following predator-prey relationships exist:

- Rabbits are eaten by foxes and wolves
- Deer are eaten by wolves
- Foxes are eaten by wolves

Select the animal whose absence would have the greatest negative effect on the ecosystem.
Answer: Wolf

2. In an ecosystem with low biodiversity, the removal of a species will
Answer: disturb the ecosystem because another species will not be able to replace it.

3. Biodiversity is measured by
Answer: counting the number and variation of different species of plants, animals, and other organisms that interact within an ecosystem.

4. Which statement best describes ecological health?
Answer: Ecological health concerns the relationship among ecosystems, ecosystem services, and human health.