Biology
Biology, 20.05.2021 04:30, babyissy2016

The fossil record shows that life on Earth has changed over time. For example, paleontologists have found that older rocks contain fossils of * 1. organisms that are more complex than those alive today.
2. both simple and complex organisms.
3. only organisms that are alive today.
4. organisms that are simpler than those alive today.

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The fossil record shows that life on Earth has changed over time. For example, paleontologists have...

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