Biodiversity & Resilience

Question 1

Which of the following human activities does NOT typically decrease biodiversity in an ecosystem?

Accepted Answer

Protecting a large area as a nature reserve

Answer

Polluting waterways with chemical waste

Answer

Clearing land for agriculture

Answer

Introducing non‑native invasive species

Question 2

A coastal mangrove forest is being cleared for development. Which statement best explains why this loss of biodiversity threatens both the local wildlife and the people who live nearby?

Accepted Answer

Fewer mangrove species means fewer fish for wildlife to eat, and the loss of natural storm‑break protection makes the nearby town more vulnerable to flooding.

Answer

Clearing mangroves will eliminate harmful insects, improving health for people and animals.

Answer

The loss of mangrove trees will increase the amount of fresh water, which is beneficial for both wildlife and residents.

Answer

Removing mangroves only reduces the area for tourists, which hurts the local economy but has no effect on wildlife.

Question 3

Which human activity listed below is most likely to decrease biodiversity in an ecosystem?

Accepted Answer

Clearing a forest to build a shopping mall

Answer

Cleaning up litter from a river

Answer

Creating a protected wildlife reserve

Answer

Planting native trees in a local park

Try three questions

Which of the following human activities does NOT typically decrease biodiversity in an ecosystem?

A coastal mangrove forest is being cleared for development. Which statement best explains why this loss of biodiversity threatens both the local wildlife and the people who live nearby?

Which human activity listed below is most likely to decrease biodiversity in an ecosystem?

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