Biodiversity

Match the following terms and definitions:

• invasive species

• An organism that can be used to determine ecosystem health.

• bioindicator

• A plant or animal that is not native to a given area.

• ecosystem

• A community of interacting organisms and their environment. It includes both living and nonliving things

• keystone species

• A group of living things that break down dead things.

• decomposers

• A species that is necessary to maintain an ecosystem. Without it the ecosystem fail.

Listen to the following audio and answer the question: Provide 3 examples of primary consumers.

Which of the following is an example of a secondary consumer?

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What does biodiversity refer to?

• The variety of plants, animals, and microorganisms on Earth

• The number of forests and wetlands on Earth

• The amount of pollution in ecosystems

• The balance of ecosystems

What is one major threat to biodiversity mentioned in the passage?

• Habitat loss

• Overpopulation

• Deforestation

• Climate change

Why is protecting habitats important for biodiversity?

• It helps ecosystems stay healthy and balanced

• It increases the number of species on Earth

• It reduces pollution in ecosystems

• It prevents climate change

Listen to the following question and choose the correct answer:

The chemical process by which plants make their own food using energy from the sun by turning carbon dioxide and water into sugar and oxygen is called....

• climate change

• food web

• photosythesis

• food chain

Which of the following are considered tertiary consumers?

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Order the following from the start of the food chain to the end:

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Organize these options into the correct categories:

Groups:

(a) producer

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(b) consumer

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(c) decomposer

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(d) keystone species

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