1. How do hormones play a role in the reproduction of mammals?

A.
Melatonin and parathyroid hormone trigger ovulation and estrogen production during the mating season.

B.
Oxytocin stimulates the uterus to begin oogenesis and produce egg cells during the mating season.

C.
Follicle-stimulating hormone triggers gamete production and luteinizing hormone produces the s3x hormones.

D.
Epinephrine and norepinephrine stimulate spermatogenesis and testosterone production in the testes in male mammals.


2. A rapidly growing population is nearing its carrying capacity. Which kind of growth would be expected?

A.
The population will grow exponentially until it reaches its carrying capacity, then stop growing.

B.
The population will grow logistically beyond its carrying capacity.

C.
The population will grow exponentially beyond its carrying capacity.

D.
The population will grow logistically and slowly approach its carrying capacity.

3.Which biotic factor is most likely to limit the growth of a population of lions?

A.
competition with another group of top-level predators for limited prey animals

B.
limited access to water in the ecosystem

C.
commensalistic relationships with vultures that eat the carcasses of the lions’ prey

D.
herbivory of several grass species by gazelles