Amplexus refers to the
A) internal fertilisation that occurs in birds.
B) external fertilisation that occurs in frogs.
C) cross-fertilisation that occurs in earthworms.
D) simultaneous spawning of corals that occurs on the Great Barrier Reef.
E) delayed development of the embryo in marsupials until the pouch is empty.
Correct Answer:
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Q14: The Port Jackson shark, Heterodontus portjacksoni, reproduces
Q15: Most eutherians have
A) short gestation periods and
Q16: Normal sperm formation is assisted by the
A)
Q17: How many cylinders of erectile tissue does
Q18: In human females, newly ovulated eggs are
Q20: A delay in embryonic development is called
A)
Q21: In species of hard coral such as
Q22: Which one of the following statements is
Q23: Primordial germ cells
A) are relatively numerous in
Q24: In oogenesis
A) the primary oocyte divides symmetrically
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