Animals From the Past

Which of the following animals lived in the western United State 30,000 years ago & can still be seen here today?

Mark ALL that apply.

• coyotes

• ground sloths

• mountain lions

• black bears

Groups of animals that once lived on Earth, but have died out are _________.

• fossils

• similar

• extinct

• prey

Tags

NGSS.MS-LS4-1

What was the purpose of the huge canine teeth on a Saber-toothed cat?

• To scare prey

• To tear meat

• Scientists say there are 3 different purposes

• Scientists don't know the purpose

How did scientists learn that Ground Sloths lived in the western United States?

• They found fossils in the mountains.

• They found fossils in the tar pits.

• They found fossils in the lake beds.

• They found rock art showing Ground Sloths.

What is the name of the extinct animal that looks similar to the elephants that currently live in Africa & Asia.

• saber-tooth cat

• ground sloth

• tyrannosaurus

• mastodon

Tags

NGSS.MS-LS4-2

Organisms died when trapped in tar pits, but it did not cause them to become extinct. What is a reason that animals became extinct?

• They couldn't survive the ice age.

• They couldn't survive the environment changes.

• They couldn't survive the predators.

Tags

NGSS.MS-LS4-1

In 1978 the fossil remains of Columbian mammoths were discovered in what state?

• Utah

• California

• Wyoming

• Texas

Tags

NGSS.MS-LS4-1

NGSS.MS-ESS2-3

Dinosaur National Monument is in what 2 states?

• California & New Mexico

• Texas & Arizona

• Utah & Colorado

• Wyoming & Idaho

Why do paleontologists wrap fossils in plaster?

• So they stay attached to the other fossils.

• So they don't dry out too fast & break.

• So they can be moved easier.

What can scientists learn from a mammoth or mastodon tusk?

Mark ALL that apply.

• What season it was when the animal died.

• If females had calves or if males had been fighting.

• How old the animal was when it died.

• What area it lived in.

Tags

NGSS.MS-ESS2-3