Exam 56: Animal Behavior

What is an example of an ultimate cause of animal behavior?

In African cichlid fish, ____ regulates neurons that control sexual and aggressive behavior.

Experiments on the feeding preferences of newborn garter snakes born to coastal vs. inland California revealed that even in the same species, differential instinctive responses can be ____.

What symptoms are shared by knockout mice with nonfunctional DvII genes and humans with certain psychiatric disorders?

Why do peahens choose peacocks with the longest, showiest tails, when a long tail might be easily grabbed by a predator?

When researchers studied knockout mice with no active copies of the Dvl1 gene, they found these mice were____.

The zenk gene in the zebra finch brain is activated by tactile stimuli.