A saltwater fish tends to be ________ to its surrounding aquatic environment
A) endothermic
B) isoosmotic
C) hyperosmotic
D) hypoosmotic
D
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How does the hypothalamus of the sexually mature human male regulate reproductive hormone levels?
a. The hypothalamus continuously secretes large amounts of GnRH. b. The hypothalamus responds to low levels of testosterone by synthesizing and releasing testosterone. c. The hypothalamus secretes GnRH in brief pulses every two to three hours. d. The hypothalamus secretes LH in response to high levels of testosterone. e. The hypothalamus responds to low levels of GnRH by synthesizing and releasing testosterone.
How many total ATP are produced during glycolysis?
a. 2 b. 4 c. 6 d. 8
Which tissue assists in absorption and secretion, and in the movement of materials?
a. A b. B c. C
Where a cold, dry season alternates with a cold, rainy season, __________ dominate. Fill in the blank(s) with the appropriate word(s)