Extra Biology

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4 Terms

1
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How do fossils provide evidence for evolution?

Fossils show how organisms have changed over time. They provide evidence of extinct organisms and transitional forms, showing evolutionary changes between ancestral and modern species.

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Why is Carbon-14 dating a useful dating technique?

It allows scientists to estimate the age of relatively recent organic materials by measuring the amount of Carbon-14 remaining in a sample.

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What is continental drift.

The theory that Earth's continents have slowly moved across its surface over millions of years.

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How does continental drift provide evidence for evolution?

Continental drift caused populations of organisms to become geographically separated. Over time, these isolated populations experienced different environmental conditions and evolved independently, leading to different species.