09/24 and 25 Species Diversity

Open Ended

Why is biodiversity important for the health of an ecosystem?

Multiple Choice

Which of the following is a characteristic of generalist species?

• They have broad niches and can tolerate a wide variety of environmental conditions.

• They are only found in one specific habitat.

• They cannot survive habitat loss.

• They require very specific food sources.

Multiple Choice

Which of the following best describes a specialist species?

• A species that has a narrow niche and is sensitive to habitat loss

• A species that can live in a wide variety of environments

• A species that is always endangered

• A species that is not affected by habitat changes

Open Ended

Look up an example of an endangered species and share it here with the class.

Fill in the Blanks

The permanent loss of a species from Earth is called

.

Multiple Choice

How can removing a keystone species impact an ecosystem?

• It increases the population of all species.
• It has no effect on the ecosystem.
• It only affects the keystone species itself.
• It can lead to loss of biodiversity.

Multiple Choice

Which of the following is an effect of invasive species on an ecosystem?

• Increase biodiversity

• Disrupt food chains

• Improve soil quality

• Support native species

Multiple Choice

Species that are native to and found only within a limited area.

• endemic

• exotic

• endangered

• extinct

6 Week Cycle Assessment

​Navigate to the Monday 09/22/2025 Module

Click on "Environmental Science 6-Week Cycle" assignment. Begin the assessment when you are ready. You only have 1 attempt. There is no time limit. If you are not able to finish the assessment today in class, you may pause to finish it later. The 6 week cycle Assessment is due by the end of the day Friday.