5.9A Interactions of Living and Nonliving 2

Another term for living is biotic. Which of the following is a biotic component of the environment?

• Soil

• Air

• Water

• Mold

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Some facts about the Canada Lynx are below. Which fact describes how the Canada Lynx depends on another animal for survival?

• Fact 1

• Fact 2

• Fact 3

• Fact 4

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Plants use nonliving components of their environment to make their own food. Which of the following nonliving components is NOT needed for photosynthesis?

• Carbon dioxide

• Oxygen

• Sunlight

• Water

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All living things –

• are made of cells

• create energy

• are animals

• move around on legs

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Which of the following is an example of a living organism interacting with a nonliving part of its environment?

• An earthworm burrows into the dirt.

• A robin makes a nest in a tree.

• A fox catches a mouse for dinner.

• An angelfish feeds on soft coral.

All of the following are nonliving components except –

• water

• soil

• sunlight

• bacteria

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Which numbered fact is an example of termites changing their environment for their benefit?

• Fact 1

• Fact 2

• Fact 3

• Fact 4

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Animals must consume ______ resources in order to obtain energy.

• nonliving

• living

• living and nonliving

• natural

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Mushrooms are decomposers who feed on the remains of dead plants and animals. Why is this important for an ecosystem?

• They recycle nutrients back into the soil.

• They release nonliving components, like oxygen, into the air.

• They make space for other animals.

• They remove nonliving components from the environment.

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Which of the following choices is an example of a living organism interacting with another living organism in its environment?

• A moose stands at the edge of a lake and drinks.

• A chipmunk gathers nuts to eat.

• A salamander digs in the soil.

• An eagle flies in the sky overhead.

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