The History of Life on Earth - Engage and Explore

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Multiple Select

Which examples are body fossils? 

• Dinosaur skeleton

• Tracks from a mammouth

• Burrow of rodent

• shell of mollusk

• tooth from dinosaur

Multiple Choice

Why has only a tiny percentage of the organisms that have ever lived become fossils?

• scavengers scatter and consume animal remains

• only marine animals can be fossilized

• land animals were too big to be fossilized

• none of these

Multiple Choice

Why are land animal fossils less common than marine animal fossils? 

• Marine fossils are preserved longer

• Land doesn't provide space to form fossils

• Quick burial is less common on land

• none of these

Multiple Choice

True or False: Very few fossils preserve the soft parts of an organism.

• True

• False

Multiple Choice

Well preserved insects are usually fossilized in ____.

• amber

• glacial ice

• soft sediment

• volcanic ash