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Unit 7: Evolution and natural selection

600 possible mastery points

About this unit

This unit is all about evolution—one of the most important concepts in biology. Dive in to learn about the genetic, fossil, and anatomical evidence for evolution, and explore how natural selection shapes populations and group behaviors.

Did you know that humans share about 90% of our DNA with the average house cat?
Level up on the above skills and collect up to 160 Mastery points
Variety is the spice of life...and natural selection!


Individuals can change, but they can't evolve. Why is it that evolution can only occur in groups of organisms?
Level up on the above skills and collect up to 240 Mastery points
Safety in numbers? Discover how group behavior and social cooperation can make life easier.
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Unit test

Level up on all the skills in this unit and collect up to 600 Mastery points!
Biology is brought to you with support from the Amgen Foundation