What characteristic of fish probably led to the evolution of land-dwelling tetrapods?

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A. Jointed fins
B. Endoskeleton
C. Scales
D. Jaws
E. Gill pouches

2007-05-14 18:01:51 · 4 answers · asked by punk rock princess 1 in Science & Mathematics ➔ Biology

Walking on land requires development of limbs which developed from the paired fins. The second requirement was the development of lungs.

2007-05-19 20:33:18 · answer #1 · answered by Ishan26 7 · 0⤊ 0⤋

2007-05-21 22:26:59 · answer #2 · answered by Anonymous · 0⤊ 0⤋

(B) endoskeleton

2007-05-15 01:16:56 · answer #3 · answered by Orinoco 7 · 0⤊ 0⤋

2007-05-20 23:27:26 · answer #4 · answered by moviefreak 3 · 0⤊ 0⤋