In an experiment n which researchers manipulate the __________, the variable that the researchers measure to see whether it changes is the __________

It maximizes fitness, all other things being equal, for females to copulate

(a) often and indiscriminately (b) occasionally and indiscriminately (c) often and be picky (d) occasionally and be picky

The parts of the brain that are needed for breathing, beating of the heart, and body balance develop first. These parts are:

a. the forebrain and the limbic system. b. the hindbrain and midbrain c. the cerebral cortex d. The thalamus and hypothalamus