Fish have gills all their lives while amphibians eventually begin using their lungs. Fish have scales, and they must live in water to survive.
Fish are fish, their own group. Frogs are amphibians though.
Fish, and then amphibians, and then reptiles, and then mammals
No. Clownfish are fish. Amphibians include frogs, salamanders and caecilians.
Fish, reptiles, and amphibians, originated in that order during the Paleozoic era.
The correct order in which vertebrates evolved is fish, amphibians, reptiles, birds, and then mammals. Fish were the first vertebrates to appear, followed by amphibians that adapted to life on land. Reptiles evolved next, leading to the development of birds and eventually mammals. Thus, the correct sequence is fish, amphibians, reptiles, birds, and mammals.
axotles = amphibians
Fish
Fish appeared earlier. Amphibians later branched off from them.
Fish aren't amphibians. Among other things, amphibians can breathe out of water, something most fish can't do.
the amphibians have a three chambered heart whilst the fish have a two chambered heart.
fish, specifically "mud" fish or lung fish.
Scientists know that fish existed before amphibians because fish were found in a lower layer of rock.