Which of the following were the precursor to the legs, arms, and wings seen in vertebrates today?

0 ⤊

1-gill slits
2- Vertebrae
3-Jaws
4-Fins

2007-01-08 20:44:18 · 4 answers · asked by Becky 2 in Science & Mathematics ➔ Biology

Yes, fins

Obvisouly the first two posters didn't know in advance.

2007-01-09 02:11:28 · answer #1 · answered by floundering penguins 5 · 0⤊ 0⤋

Fins, obviously.

Surely you must know some of these before asking?

2007-01-09 07:14:19 · answer #2 · answered by Anonymous · 0⤊ 0⤋

Fins?

2007-01-09 04:47:38 · answer #3 · answered by ali 6 · 0⤊ 1⤋

All of the above

2007-01-09 04:47:56 · answer #4 · answered by Astro Gurl 3 · 0⤊ 1⤋