The History of Earth - Explain and Explore

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Multiple Choice

Fossils can give clues about which of the following?

• past climate

• past environments

• history of life

• all of these

Multiple Choice

The presence of _____ in the Andes Mountains shows that those rock layers were formed in a marine environment.

• terrestrial animals

• shells

• trees

• seeds

Multiple Choice

Fossilized plants in ice covered areas like Antarctica show _____ .

• people must have brought plants to Antartica and left them there

• Antartica once had warmer climate allowing for plant growth

• plants must have been able to grow in ice

• plants from South America were carried by the wind and landed in Antartica

Multiple Choice

Which of the following reasons explain why the fossil record is incomplete?

• geologic activity has destroyed fossils

• fossilization is a rare ocurrence

• many soft body organisms were not fossilized

• all of these

Multiple Choice

Why do scientists continue to dig at the La Brea Tar Pits?

• to put together a complete picture of what life was like in the past

• to learn how species change over time

• to understand how plants and animals change due to rapid global warming

• all of these