Why do chimps get a milder strain of hiv than humans?

If the birth rate of a population of dolphins is 2.0, the death rate is 0.5, and the population size is 100, what is this dolphin's population growth?

Which of the following would be an important part of a multi-step plan to restore the stability of the red-cockaded woodpecker's ecosystem?

2. sketch the inside of the bean nodule, and describe or label what you observed with the hand lens.