Life Cycles

Which is not part of a plant’s life cycle?

• growth

• death

• losing a branch in a storm

• germination

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A new plant grows from a _____.

• root

• petal

• stem

• seed

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A ___ grows into a new plant.

• seed

• flower

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Which does a seed need to germinate?

• freezing temperatures at night

• to be eaten by an animal

• water, sunlight and carbon dioxide

• only water

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One way in which a plant life cycle is like an animal life cycle is that both plants and animals-

• Use seeds to reproduce

• Live for hundreds of years

• Lay eggs that hatch

• Grow larger over time

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The diagram illustrates the life cycle of a tomato plant. Which stage in this plant life cycle is the adult?

• A

• B

• C

• D

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The life cycle of a darkling beetle is shown here. Which stage represents the change from larva to adult?

• A

• B

• C

• D

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What does a life cycle show?

• Shows an animal or plants life from birth to adult

• Shows what one can eat to get stronger

• Shows plant and animal needs

• Shows and describes food chains

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What does it mean to germinate?

• to begin to grow or sprout

• to cough on people

• A flower that is not opened up or fully grown

• None of the above

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What is a life cycle?

• a stage in an insect life cycle between egg and adult.

• a developing animal before it is born or hatched.

• the stages in the life of a living thing.

• the stage in the insect life cycle between larva and adult.

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