6.3 Biodiversity, Ecosystems, and Resilience Quiz

The variety and variability of organisms is called

• biodiversity

• ecological succession

• population ecology

• symbiotic relationships

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One of the benefits of biodiversity includes ecosystem

• diversity

• resilience

• services

• succession

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Other benefits of healthy ecosystems include ecosystem

• diversity

• resilience

• services

• succession

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Choose the phrase that correctly describes the example of diversity.

• A pond supports a variety of habitats in the water and along the shore: genetic diversity

• A variety of insects, snakes, and small mammals live in a meadow: ecosystem diversity

• Field mice differ from one another in fur color, fur thickness, and ear shape: species diversity

Mr. Rojas's class can evaluate which property of the pond ecosystem based on the results shown in the table?

• the benefits provided by biodiversity within the pond ecosystem

• the ecosystem services that the pond provides

• the climax community that will result from secondary succession

• the resilience of the pond ecosystem to different types of changes

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All healthy, highly productive ecosystems provide which of these essential ecosystem services that involve gases in the atmosphere?

• Increasing carbon dioxide levels in the atmosphere by the action of plants and animals.

• Removing carbon dioxide from the atmosphere and storing carbon in the tissues of organisms.

• Removing water vapor from the atmosphere and using it to support plant growth.

• Removing methane from the atmosphere and storing its carbon and hydrogen in the tissues of organisms.

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Much of an ocean beach is covered in sand dunes and grasses. The homeowners along the beach propose to flatten out the dunes and remove the grasses, which would allow more visitors to use the beach for swimming and sunbathing. If the homeowners' plan is enacted, which is the most likely consequence?

• purer, less salty groundwater for the beach community

• more sea turtles laying eggs on the beach

• an increase in erosion of beach sand

• an increase in the depth of beach sand

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Healthy soil is able to provide all the nutrients that support plant growth, and to do so year after year. What biotic or abiotic factor directly supplies these nutrients?

• microorganisms that live in the soil or on plant roots

• water from rain or melted snow

• weathered rocks in the soil

• grasses and other small plants

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