Fossils and Extinction CFA 1

Front

Environments have changed over millions of years. Which of these would be BEST for a scientist to study when investigating these environmental changes?

Back

fossil records

Front

In the model are rock strata and fossils. The fish fossil is in the first layer of the rock strata. Is this the youngest or oldest fossil in these rock strata layers?

Back

Youngest

Front

How did scientists conclude that the ancient horse changed over time?

Back

by examining fossil records

Front

Fossils are the preserved ____ of once living organisms.

Back

remains

Front

What statement is true about fossils?

Back

Some living things have not really changed in millions of years.

Front

An organism is ______________ if it no longer exists and will never live again on Earth.

Back

extinct

Front

Scientist study the ____________________ to learn about the history of life, past environments on Earth, and how different groups of organisms have changed over time.

Back

fossil record

Front

What type of fossil is this?

Back

Trace fossil

Front

The end of an era, and the end of life for groups of organisms, is called?

Back

Mass Extinction

Front

Which statement is true about the fossil record?

Back

It provides evidence for history of life on Earth