Which of the following body processes exemplify circadian rhythms?
a. sleeping and walking
b. blood pressure
c. body temperature
d. all of these

Animals such as pronghorn antelope, bison ans badgers dot to the landscape. where are these animals located?

In a cross between individuals of a species of tropical fish, all of the male offspring have long tail fins, and none of the females possess the trait. mating two of the f1 fish fails to produce females with the trait. explain the inheritance pattern of the trait.

2. which is the last step in the scientific method?