Life Cycles Review

What is a life cycle?

• A) A series of stages that an organism goes through from birth to death

• B) The process of making food

• C) The way plants grow leaves

• D) The way animals sleep

Fill in the blank: An adult is a fully developed living thing that has the ability to ________ (make more of something).

• reproduce

• hibernate

• migrate

• evaporate

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Which of the following is an example of reproduction?

• A) Plants produce seeds to make more plants.

• B) Plants grow taller.

• C) Insects eat leaves.

• D) Animals sleep at night.

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According to the worksheet, do all living things go through the same changes to become an adult?

• True

• False

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Fill in the blank: The life cycle of a plant generally includes four stages: seed, sprout, small plant, and _________.

• adult plant

• seedling

• flower bud

• root

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In the life cycle of a bean plant, what does the flower produce?

• Leaves

• Beans

• Roots

• Stems

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What are the main groups of animals included when talking about animal life cycles?

• Fish, mammals, reptiles, birds

• Insects, amphibians, crustaceans, mollusks

• Plants, fungi, bacteria, viruses

• Dinosaurs, aliens, robots, monsters

What is the first stage in the life cycle of most animals?

• They are born either alive from their mother or hatched from eggs.

• They start as adult animals.

• They begin as seeds.

• They are formed as fully grown organisms.

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Which of the following is NOT a typical stage in the amphibian life cycle?

• A) Egg stage

• B) Pupa stage

• C) Larva stage (like a tadpole)

• D) Adult stage

Fill in the blank: The intermediate stage between tadpole and adult frog is called a _______.

• froglet

• spawn

• larva

• pupa