In marine turtles, excess salts are removed by:
a. salt glands in the tongue.
b. salt glands above the eyes.
c. concentrated urine.
d. salt glands on the skin.
e. salt glands in the nose.
B
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Contraction of the fibers labeled A in the accompanying figure results in:
a. elongation of the body.
b. elongation of the tentacles.
c. elongation of the gastrovascular cavity.
d. shortening of the body.
e. expansion of the pedal disk.
The secondary (anamnestic) immune response is due to __________.
A) persistent high levels of antibody after the initial exposure to antigen B) long-lived memory cells C) long-lived T helper cells D) long-lived antibody-producing plasma cells
The stalk of a leaf is called the ________.
Fill in the blank(s) with the appropriate word(s).
Which of the following would be a function of the sympathetic division?
A) accelerate heart rate B) stimulate the stomach C) stimulate the gallbladder D) constrict the pupils