Understanding the Frog Lifecycle

What is the first stage in the life cycle of a frog?

• Tadpole

• Egg

• Adult frog

• Froglet

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NGSS.3-LS1-1

Which stage comes after the tadpole in the frog’s life cycle?

• Egg

• Froglet

• Adult frog

• Spawn

What does a tadpole use to swim in the water?

• Legs

• Wings

• Tail

• Fins

Which of the following best describes a change that happens as a tadpole becomes a froglet?

• It grows wings

• It loses its tail and grows legs

• It changes color to red

• It gets bigger eyes

Arrange these stages in the correct order: Egg, Tadpole, Froglet, Adult Frog.

• Egg → Tadpole → Froglet → Adult Frog

• Tadpole → Egg → Froglet → Adult Frog

• Egg → Froglet → Tadpole → Adult Frog

• Egg → Adult Frog → Tadpole → Froglet

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NGSS.3-LS1-1

What is the main difference between a tadpole and an adult frog?

• Tadpoles have tails and live in water, adult frogs have legs and can live on land

• Tadpoles have wings, adult frogs do not

• Tadpoles are bigger than adult frogs

• Tadpoles can fly, adult frogs cannot

What do frog eggs look like?

• Hard shells

• Soft jelly-like clusters

• Feathers

• Scales

Why do frogs lay many eggs at one time?

• To make a big nest

• To increase the chance that some will survive

• To feed other animals

• To make the water look pretty

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Which stage of the frog’s life cycle can both swim and hop?

• Egg

• Tadpole

• Froglet

• Spawn

What do adult frogs use to breathe when they are on land?

• Gills

• Lungs

• Fins

• Shells