Life Cycles

Carmen and her friends visit a zoo. They observe a snake hatching from an egg. What animal has a life cycle most similar to this snake’s life cycle?

• a chicken

• a whale

• a dog

• a horse

A bean plant grows from a seed. What other life cycle begins with a seed?

• a bird

• a dog

• a frog

• a tree

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NGSS.3-LS1-1

Mr. Smith asked his class to draw an animal that goes through big changes during its life cycle. Which of these animals goes through the biggest changes?

• a chicken

• a turtle

• a frog

• a dog

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NGSS.3-LS1-1

Ana helps to water the roses in her mom’s garden. How does Ana know the roses are now adult plants?

• The plants are green.

• The plants have flowers.

• The plants have leaves,

• The plants have stems.

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NGSS.4-LS1-1

Juan draws this picture to show a bean plant’s life cycle. He has numbered the pictures but they are not in the correct order.

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

• sprout, seed, adult, young plant

• seed, sprout, young plant, adult

• adult, young plant, sprout seed

• young plant, sprout, seed, adult

Tags

NGSS.3-LS1-1

Which sentence about life cycles is true?

• All living things grow, change, and have adults that can reproduce.

• All young living things look like their parents

• All living things get their food from the Sun in order to grow

• All life cycles are the same.

Tommy thinks his plant has grown about an inch in the past week. What is the only way he can be sure of this?

• observe the plant this week

• look carefully at the plant’s leaves

• touch the stem and leaves of the plant

• compare this week and last week’s measurements

Diego observes earthworms on the ground after a rainstorm. Which statement would be an inference that Diego could make (not an observation)?

• The earthworm has no feet.

• The earthworm is brown with ridges.

• The earthworm likes soil that is wet.

• The earthworm is about two inches long

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David and Lucas observe a turtle during class. 

Which statement describes something they could have observed?

• The turtle likes only red apples.

• The turtle has a hard shell.

• The turtle thinks it is too cold in its tank.

• The turtle feels happy to see them.

Look at this picture of a life cycle.

Which stage shows an egg?

• 1

• 2

• 3

• 4

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