Discover how evolution remains an ongoing process, with natural selection and genetic variation driving adaptation. Compare evidence across scales to see how unity and diversity arise from …

The DNA is not sentient. It is not somehow constructing itself. And that's where natural selection comes into the picture. So let's imagine a population, and I'm gonna think about a very …

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Darwin's theory was based on the mechanism of natural selection, which explains how populations can evolve in such a way that they become better suited to their environments …

Natural selection leads to adaptation, that is, to a population dominated by organisms that are anatomically, behaviorally, and physiologically well suited to survive and reproduce in a …

Review your understanding of natural selection in this free article aligned to NGSS standards.

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Check your understanding of natural selection in this set of free, standards-aligned practice questions.

Evolution and natural selection Learn Introduction to evolution and natural selection Ape clarification

Check your understanding of natural selection and evolution in this set of free, standards-aligned practice questions.