Life Cycles

A puppy increased in size as it became an adult dog. Which of the following BEST describes what happened to the puppy?

• It grew.

• It got fat.

• It developed.

• It changed form.

Which of the following is the end of all life cycles?

• adult

• birth

• death

• egg

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What is the second stage in the life cycle of a butterfly?

• egg

• pupa

• larva

• adult

What is the life span of a living thing?

• all the stages in its life

• all the places it lives

• the time between its birth and death

• the way it changes during its life

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Which animal changes through metamorphosis?

• Turtle

• Beetle

• Snake

• Worm

An eggplant produces a fruit called eggplants. The life cycle stages are shown below.

During which stage during the eggplant's life cycle does it produce ripe eggplants that can be eaten?

• adult plant

• young plant

• seedling

• seed

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Compare the life cycle of a reptile to the life cycle of an amphibian. How are the life cycles of reptiles and amphibians different?

• Amphibians lay eggs and reptiles do not.

• Amphibians go through a stage that looks different from the adult and reptiles do not.

• Reptiles always have a shell and amphibians do not.

• Reptiles have legs and amphibians do not.

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How is the life cycle of a stink bug the same as the life cycle of a lady beetle?

• Both of them start out as eggs.

• Both of them look like the adult throughout all stages of the life cycle.

• Both of them have wings throughout all stages of the life cycle.

• Both of them have four legs.

The events of a bean plant's life cycle are shown on the cards below.

Which is the correct order of events in the life cycle of a bean plant?

• 1,2,3,4

• 4,3,2,1

• 3,4,2,1

• 2,1,3,4

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The life cycle of a frog and a salamander are shown below.

Compare the two life cycles and identify one way they are alike.

• The tadpole stage and larva stage are similar.

• The adult stages are the same shape.

• Both adults have a tail.

• The eggs are the same size.

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