Why does most of what we know about sexual behavior come from studies of other species like rats?
a. Research on sexual behavior in humans has been considered off limits for years and hence hard to get funded.
b. Male rats copulate many more times than humans, up to 20 times a day
c. Researchers can alter the hormonal control of animals, which would be unethical in humans.
d. All of the above
Question 2
The major drawback of family studies is that:
a. It is difficult to get general population measures on the characteristic in question
b. Families that share genes also share environments
c. They are costly studies to conduct
d. Most people don't want to participate in these studies
Invasive species provide an example of predator pressure.
Sceloporus undulates, the eastern fence lizard, is one of the most widely distributed lizard species
Distributions of two barnacle species within the intertidal zone
The comparative brain sizes of different species
The experimental protocol for recombination studies