bony fins are an example of?

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bony fins are an example of?

some fish have bony fins. if the body of water they are in dies out these fins can be used to help the fish walk to another body of water. in this context bony fins are an example of

paedomorphosis
an exaptation
an evolutionary novelty
punctuated evolution
neoteny

2007-05-17 19:36:17 · 4 answers · asked by mac m 1 in Science & Mathematics ➔ Biology

4 answers

an exaptation

2007-05-17 19:39:22 · answer #1 · answered by Anonymous · 0⤊ 0⤋

An exaptation...because the fins were not initially selected for to crawl but have now acquired a new use.

2007-05-17 19:40:12 · answer #2 · answered by Anonymous · 0⤊ 0⤋

Pre-pubesent evolution of fish.

2007-05-17 19:40:26 · answer #3 · answered by Anonymous · 0⤊ 0⤋

Hi. This may help. http://en.wikipedia.org/wiki/Exaptation

2007-05-17 19:57:19 · answer #4 · answered by Cirric 7 · 0⤊ 0⤋