science What is a fish?

____________are a large group of vertebrates that live in the water.

There are over _____________ different species of fish.

Fish have existed for over ___________ million years.

• 400

• 200

• 100

• 300

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Most species of fish live in the _______________

• on the trees

• mountain

• ocean

• In a house

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The water in the ocean is __________

• salty

• sweet

• sour

• bitter

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Like other animals, fish need _______________ to survive.

• electricity

• a house

• oxygen

• a car

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some fish eat plants or __________________

• beans

• rice

• plankton

• milk

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__________ Make up the largest group of fish.

• jawless fish

• bony fish

This fish have a skeleton made of a strong, flexible material called cartillage.

• jawless fish

• Cartilaginous fish

• bony fish

This fish do not have a jaw.

• jawless fish

• bony fish

• cartilagenous fish