Animals Through Time

Scientist found a whale fossil in the middle of the desert because...

• Whales live in the desert habitat.

• Whales used to live in the desert habitat.

• There used to be a lake in the middle of the desert habitat.

• The desert habitat used to be an ocean.

The green anoles are such good climbers because...

• they like climbing trees.

• they need to be able to climb to get food that is high up in the trees.

• they need to be able to get away from brown anoles on the ground.

• The green anoles that were poor climbers were more likely to get eaten by brown anoles, so they had fewer babies.

Becky has light-colored skin. During the summer, sometimes her skin turns red if she stays in the sun too long.

Which of these are true?

• Becky’s skin color is a trait she got from her parents.

• Becky’s skin color changed because of her experience in the summer.

• Both answers are correct

Which is NOT an example of evidence that dinosaurs looked like big reptiles?

• Dinosaur skulls had similar skulls to reptiles today.

• Some dinosaurs had sharp teeth

• Scientist found imprint fossils of scaly dinosaur skin

• Dinosaurs laid eggs

There are so many different kinds of dogs because _______________.

• people chose to breed dogs with traits they wanted.

• the dogs want to be different from each other.

• the babies are different from their parents.

• dogs have a lot of babies.

A polar habitat today was always a polar habitat in the past?

• True

• False

We can learn about extinct animals by studying their fossils and comparing them to animals living today.

• True

• False

When habitats change, the kinds of animals and plants that live there change, too.

• True

• False