Question

which is a way that paleontologists have contributed to humans understanding of the history of life? they found evidence that climate has not changed significantly. they grouped organisms by the period in which they existed. they discovered that the first humans lived with dinosaurs. they learned that life has existed since earth was created.

Explanation:

• Paleontologists use fossil records to categorize organisms by the geologic time periods they lived in, which builds the timeline of life's history.
• The other options are incorrect: Climate has changed significantly over Earth's history; humans did not coexist with dinosaurs; life appeared long after Earth's formation, not at its creation.

Answer:

They grouped organisms by the period in which they existed.