what animals reproduce externally?

1 ⤊

what animals reproduce externally?

reproduce outside the body

2007-03-07 11:22:42 · 4 answers · asked by wilkency M 1 in Science & Mathematics ➔ Biology

4 answers

Vertebrates: Jawless fish (lamprey and hagfish), Bony fish ( salmon, perch, bass,etc.), Amphibians ( frogs, salamanders, newts).
Invertebrates: earthworms, clams, sponges.

2007-03-07 11:29:52 · answer #1 · answered by ATP-Man 7 · 0⤊ 0⤋

Fish

2007-03-07 19:28:53 · answer #2 · answered by Anonymous · 0⤊ 1⤋

Animals that lay eggs...non-mammals because a special characterisitc of mammals is that they carry their young in their womb (exception: platypus and ant eater)...and perhaps some fishes...

2007-03-07 21:04:09 · answer #3 · answered by lam_tensai 2 · 0⤊ 0⤋

Most fish, all microbes, all virii, if you count them as animals.

2007-03-07 19:29:14 · answer #4 · answered by archolman 5 · 1⤊ 1⤋