The heart pumps harder and blood pressure rises during a fight-or-flight response. this response is due to
a. thyroxine secreted by the thyroid gland.
b. adrenaline secreted by the adrenal glands.
c. insulin secreted by the pancreas.
d. oxytocin secreted by the pituitary gland.

Apart of an ecosystem that can restrict the growth of a population is referred to as

In "the man in the water," what was the remarkable occurrence that rosenblatt reported?

Fruit bats in central america eat bananas and other fruits. banana plants rely on bats for pollination. what would be the most likely consequence on the banana crop if fruit bats were eliminated from the area? the banana crop would increase because bats would stop eating the crops. the banana crop would decrease because bats would no longer pollinate the crops. the banana crop would remain constant because bees would replace the bats. the banana crop would remain constant because the plants would adapt using asexual reproduction.