Vertebrates

What do all vertebrate animals have in common?

• they all have feathers

• they all have hair

• they all can swim

• they all have a backbone

Which choice is an amphibian?

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What does the hawk have in common with the snake it caught?

• they both have feathers

• they are both warm blooded

• they both hatched from eggs

• they both can fly

Which organism is not a mammal?

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What does the person and the eagle in this picture have in common?

• they both lay eggs

• they both are warm blooded

• they both have feathers

• they both give milk to their young

What characteristic separates amphibians from the other vertebrate classes?

• they are cold-blooded and need to warm in the sun to be energetic

• they have a backbone

• they have an internal skeleton called an endoskeleton

• they breathe with gills until they become adults and then breathe air with lungs

Which choice is not a reptile?

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Select all that are warm-blooded.

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What does the human handling the alligator have in common with this reptile?

• they both breathe air with lungs

• they are both cold-blooded

• They both give milk to their young

• they both hatched from an egg