Mystery Science: Animals Through Time - Mystery 2 Review

Scientists look at the shape of their body.

Scientists look at their teeth.

Scientists look at the shape of their skull.

Organism

Lizard

Mammal

800 years ago

600 years ago

200 years ago

True

False

Dreadnoughtus

Tyrannosaurus Rex

Velociraptor

Shark

Gorilla

Crocodiles

Gigantic

Terrifying

Scaly

There are more openings in the skull like reptiles we see today.

They had long necks like snakes and lizards we have today.

Only reptiles could be as large as a dinosaur. Furry animals are usually smaller.

65 million years ago

20 million year

5 million years ago

they found fossil skin patterns that look similar to that of mammals.

they found fossil skin patterns that look like fur, similar to dogs.

they found feather fossils near the dinosaur fossils.

they found fossil skin patterns that look like scales, similar to reptiles.