Matter & Energy in Organisms & Ecosystems

Which example describes an organism taking in nutrients?

• a bear hibernating for winter

• a baby eating cereal

• a woman planting a rose bush

• a grasshopper hiding in the leaves

The transfer of pollen from the stamen to the pistil is called:

• germination

• pollination

• fertilization

• photosynthesis

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Which behavior is an example of an animal adapting to a change in the environment?

• a bird sitting on a telephone wire

• a snake eating a mouse

• a caribou migrating south

• a beaver feeding its young

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What are the two products produced during photosynthesis?

• carbon dioxide and glucose

• roots and leaves

• oxygen and carbon dioxide

• oxygen and glucose

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All the living and nonliving things in an environment are called

• a family

• a food web

• a population

• an ecosystem

Decomposers are important in the food chain because they…

• produce their own food using light from the Sun.

• stop the flow of energy from one organism to another.

• break down dead organisms and recycle nutrients into the soil.

• are microscopic and other organisms cannot consume them.

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Which of the following are examples of organisms?

• sunlight and oxygen

• eating and exercising

• roots and stems

• plants and animals

What is the name of the gas that consumers release when they exhale?

• carbon dioxide

• oxygen

• chlorophyll

• nitrogen

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A raccoon eats nuts, leaves, crayfish, frogs, and garbage.

• It is a producer.

• It is an herbivore.

• It is a carnivore.

• It is an omnivore.

Coyotes are natural predators of deer.

If coyotes are removed from the ecosystem, what will most likely happen to the deer population?

• The deer population will decrease.

• The deer population will remain the same.

• The deer population will increase.

• It can't be predicted.

Tags

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