The pituitary gland is regulated most directly by the:a
pineal gland.
b. hypothalamus.
c. thymus gland.
d. adrenal gland.
e. thyroid gland.
B
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The fastest way for organisms to adapt to a changing environment involves _____
A) mutation B) asexual reproduction C) sexual reproduction
What are the two most common types of nonrandom mating?
What will be an ideal response?
In a scientific experiment, a control group
a) is less important than an experimental group b) makes the experiment better, but is not essential c) can be compared with an experimental group to assess whether one particular variable is causing a change in the experimental group d) must be kept in a laboratory
Which of the following is an example of a female mating with a male only after submitting him to a courtship ritual?
a. A female frigate bird is attracted to the male with the brightest red chest feathers. b. A female black widow will only mate with a male that will mate guard her. c. A female arctic squirrel will mate with the male that controls the best territory. d. A female moth will mate with the same male for 24 hours. e. A female bowerbird will mate with a male only after inspecting the small thatched structure he has built for her.