1. "Osteichthyes" is the class of fish among all the choices given in the question that goldfish, <span>tilapia and barracuda belong to. The correct option is option "A".
2. "</span>Agnatha" is the class of fish among the choices given in the question that lamprey and <span>remoras belong to. The correct option is option "C".
3. "C</span><span>ountershade" is the type of coloration among the choices given in the question that this fish demonstrates. The correct option is option "D".</span>
1. Space 2 2. Back limb 3. The back limb helps because you can see the shape it was growing into and the tail because two have tails and the others don’t.