____ are remains of life from an earlier time.

Which animal would you expect a dog’s genes and proteins to be the most like?

A scientist described two modern-day species as sharing a common ancestor. What does it mean when two species share a common ancestor?

Which of the following do some scientists believe shows evidence for evolution in living species?

Which of these answers correctly pairs a scientific discovery with the type of evidence for evolution that it represents?

Which is not a cause of variations to arise in a population?

Define natural selection.

2. Define adaptations.

Which of these statements best describes what Charles Darwin observed on the Galápagos Islands?

Which of the following statements best describes why birds are one of the only descendants of the dinosaurs that live today?

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