Unit 7: Evolution and natural selection
600 possible mastery points
About this unitThis 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?
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?
Biology is brought to you with support from the Amgen Foundation