Read About It: Biodiversity

What is biodiversity?

• The number and variety of different species in an area

• The number of plants in a forest

• The amount of rainfall in a region

• The temperature of an ecosystem.

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Which of the following is a keystone species?

• A) Bees

• B) Grass

• C) Rocks

• D) Water

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Fill in the blank: Ecosystems with greater biodiversity tend to have greater _______.

• Instability

• Stability

• Rainfall

• Temperature

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What role do bees play in the ecosystem?

• They are predators

• They are keystone species

• They are decomposers

• They are parasites

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Species diversity increases when new species are _______.

• Discovered

• Extinct

• Adapted

• Removed

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What is the relationship between organisms and ecosystems?

• They are independent.

• There is an interdependence.

• Organisms control ecosystems.

• Ecosystems control organisms.

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Fill in the blank: Organism health can suffer because there are fewer resources for food, water, space, and other ______ organisms require.

• factors

• predators

• producers

• consumers

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According to the Vocab Tip, what is something organisms might require?

• More predators

• Less water

• Enough sleep

• More space

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What does biodiversity allow for in terms of food webs?

• More rigid food webs

• More flexible food webs

• Less complex food webs

• No change in food webs

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Fill in the blank: An ecosystem with biodiversity functions to ensure sustainable use of resources such as ______.

• air

• water

• soil

• light

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