Question

Tracy observes an organism that lives in a lake by her house. The organism has an internal skeleton, scales, fins, and gills. The organism that Tracy observes is most likely a(n) _______. A. amphibian B. fish C. mammal D. reptile

Answer 1

I'd say B. Its most likely a fish.

Answer 2

The answer would be B. fish, because a fish is the only selection that has fins.