A decrease in ________ is followed by the gradual degradation of the corpus luteum
A) LH
B) FSH
C) estrogen
D) progesterone
Answer: A
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What is the effective population size of the Florida panther if only 20 males are breeding with 50 females?
A. About 4 individuals B. About 14 individuals C. About 57 individuals D. About 70 individuals E. About 80 individuals
Prolactin ____
a. stimulates and sustains milk production after childbirth b. stimulates labor and childbirth c. causes the development of breasts and other secondary sexual characteristics in the male d. acts in concert with FSH to produce milk e. has secondary effects on reducing the size of the uterus after birth
Refer to the accompanying figure. What is the structure at point 6 in this life cycle?
a. zygote b. gamete c. zoospore d. endospore e. pseudopod
The most effective molecule for nitrogenous waste disposal in desert animals would be __________
a. ammonia because it uses less energy to make than uric acid or urea b. urea because it is less toxic than uric acid c. uric acid because it takes less energy to make than urea d. uric acid because it requires very little water for excretion e. ammonia because it is the most soluble of all the nitrogen-containing metabolic waste products