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cf. p.56 | cf. p.56 | ||
Vestigial organs occur because inhertit their anatomy from their ancestors, they are traces of an organism's evolutionary history. | |||
Example: ostriches can't fly, but they still use their wings when they run, for balance. | |||
=What are atavisms ?= | =What are atavisms ?= | ||
Version du 19 avril 2011 à 13:14
What are vestigial organs ?
cf. p.56
Vestigial organs occur because inhertit their anatomy from their ancestors, they are traces of an organism's evolutionary history. Example: ostriches can't fly, but they still use their wings when they run, for balance.
What are atavisms ?
cf. p.56
Why do all flightless birds have wings ?
cf. p.57
Are vestigial traits useless?
cf. p.58
Why haven't vestigial organs completely disappeared?
cf. p.59
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