Which animals are vertebrates?

• horses

• spiders

• earthworms

• snakes

• eagles

Which animals are invertebrates?

• horses

• spiders

• earthworms

• snakes

• eagles

Which describes warm-blooded animals?

• body temperature changes based on their environment

• keep their body temperature constant

Which describes cold-blooded animals?

• body temperature changes based on their environment

• keep their body temperature constant

What type of habitat do tropical fish live in?

• freshwater

• saltwater

• underwater

What is the name of the organ that fish use to breathe?

• scales

• gills

• fins

Which statement about amphibians is not true?

• They are cold-blooded

• They only live on land

• They are vertebrates

What is the name of the scientist who observes animals and groups them based on similar characteristics?

• zoologist

• biologist

• primatologist

How are reptiles different from amphibians?

• Reptiles are vertebrates, and amphibians are invertebrates.

• Reptiles live on land, and amphibians live in water.

• Reptiles are born with lungs to breathe, and amphibians are born with gills to breathe.

How are birds different from one another?

• Some birds do not have feathers.

• Some birds cannot fly.

• Some birds do not have a spine.

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