0
Scientists know that fish existed before amphibians because fish were found in a lower layer of rock.
Wiki User
∙ 15y ago
Add your answer:
Earn +20 pts
Why do scientists classify fish amphibians reptilesbirdsand mammals together in one group?
Fish, reptiles, amphibians, birds, and mammals are all vertebrates. They all have a backbone and internal bones.
What came before the fish amphibians reptiles and dinosaurs?
Fish, reptiles, and amphibians, originated in that order during the Paleozoic era.
Which group of fish do scientists believe amphibians evolved from?
Lobe-finned fishes are though to have given rise to amphibians. This is due to the body plan and body symmetry of the fish, which is very similar to that of an amphibian.
What came before the dinosaurs?
Fish, then amphibians then to reptiles then so on...
What characteristics do scientists used to classify vertebrates into smaller groups?
The five groups are Fish, Amphibians, Reptiles, Birds, Mammals
Why do scientists classify fish amphibians birds and mammals all in the same group?
All are vertebrates - all have a spinal column.
Are fish and frogs amphibians?
Fish are fish, their own group. Frogs are amphibians though.
Which came first fish or amphibians or reptiles?
Fish, and then amphibians, and then reptiles, and then mammals
Are clown fish amphibians?
No. Clownfish are fish. Amphibians include frogs, salamanders and caecilians.
Are moray eels amphibians or fish?
Fish
What are Fish that arnt fish?
axotles = amphibians
What appeared first on earth fish or amphibians?
Fish appeared earlier. Amphibians later branched off from them.
