per season and males may fertilize the eggs of multiple females. Do you think that the sea bass are protandrous or protogynous? Explain your answer in terms of the evolutionary advantages of the strategy.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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The Asian sea bass, a marine fish, changes sex during its
lifetime. The sea bass breeds in large groups, with fish of
both sexes "broadcast spawning" in the same area --
that is,
they expel their gametes into the water rather than pairing
off. There does not seem to be any male-male competition
for mating rights. Females spawn several times per season
and males may fertilize the eggs of multiple females. Do you
think that the sea bass are protandrous or protogynous?
Explain your answer in terms of the evolutionary advantages
of the strategy.
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Transcribed Image Text:The Asian sea bass, a marine fish, changes sex during its lifetime. The sea bass breeds in large groups, with fish of both sexes "broadcast spawning" in the same area -- that is, they expel their gametes into the water rather than pairing off. There does not seem to be any male-male competition for mating rights. Females spawn several times per season and males may fertilize the eggs of multiple females. Do you think that the sea bass are protandrous or protogynous? Explain your answer in terms of the evolutionary advantages of the strategy. Edit View Insert Format Tools Table
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