Mistake Master
Mistake Master · AP Biology · Unit 8 · Step-Through Animation
Just What Animals Do?
You'll learnthat a behavior is a heritable trait natural selection acts on, like anatomy.
A goose flies south on schedule, with nobody to teach it the route. Call that “just what geese do” and you have made the costliest mistake in this topic: a behavior is a trait, exactly like beak shape, and this is the story of how natural selection tunes one. Twelve short steps; press Next for each one.
one behavior · the full selection machine · no individual changes
Before you start
What you're looking at
A goose that flies south each autumn — one behavior, drawn as one animal and one arrow.
The question
Is a behavior just what animals do, or a trait that varies, is inherited, and is selected?
Step 1 / 12