What describes placental mammalian embryos?
A) They are born immediately after fertilization.
B) They develop inside a leathery shell.
C) They complete development in a pouch.
D) They hatch from an internal egg.
E) They are totally dependent on the mother for complete development.
Correct Answer:
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Q17: What stimulates ovulation?
A)Estradiol
B)FSH
C)LH
D)Testosterone
E)Progesterone
Q18: Terrestrial vertebrates and some fish evolved a
Q19: In females at puberty,what cells begin to
Q20: An adult male produces sperm continuously by
Q21: What caused intense selective pressure for terrestrial
Q23: Which is a correct statement about reptile
Q24: Ovoviviparity is found in
A)reptiles.
B)birds.
C)mammals.
D)mollies and guppies.
E)marsupials.
Q25: Which of the following statements is true
Q26: What describes marsupial embryos?
A)They are born fully
Q27: The scrotum is a sac-like structure outside
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