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Amphibians, reptiles, birds, and mammals are all tetrapod's. The tetrapod's evolved from the lobe-finned fishes about 395 million years ago in the Devonian Period.
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How are mammals and amphibians?
Both are tetrapods and belong to super class Tetrapoda .
How are mammals and amphibians alike?
Both are tetrapods and belong to super class Tetrapoda .
Are amphibians and reptiles and birds and mammals all in the same class?
No, not in a straight forward traditional classification sense... Amphibians = class Amphibia Reptiles = class Reptilia Bird = class Aves Mammals = class Mammalia They can be categorized all together in the "superclass" Tetrapoda.
Do mammals and reptiles have anything in common?
Yes both mammals and reptiles are tetrapods and have 4 limbs . Both possess amnion which is extraembryonic membrane .
What is homolugous in evolution?
The bones in the forelegs of your dog or cat are homologous structures to the bones that are in your arms. This show the common ancestry of mammals, recently, and all tetrapods ultimately.
What is a tetrapod?
A tetrapod is a vertebrate animal with four limbs. "Tetra" means "four" and "pod" means "foot". Amphibians, reptiles, birds and mammals are all tetrapods; even snakes and other limbless reptiles and amphibians are tetrapods because they descended from animals which had four limbs. Whales and other cetaceans are also tetrapods because they are mammals have two front limbs and the two hind limbs are vestiges.
Are the legs of a cat and fins of a whale homologous or anologous?
Homologous. Almost bone for bone. They are both tetrapods and mammals. The wing of a bird and the wing of a bat are analogous. They are tetrapods, but one is a bird and one is a mammal.
Are all tetrapods air-breathers?
Yes.
Which animal is not a tetrapod?
Fish, and all invertebrates, as those have more than four legs or none at all. Only amphibians, reptiles, birds and mammals classify as tetrapods.
What desccribe all reptiles?
all reptiles are cold blooded and are tetrapods
Is there a fish that are mammals?
No fish are mammals. Mammals are vertebrate animals that nurse their young. Mammals have many characteristics in common such as being warm-blooded, having some hair or fur, and being tetrapods (having four limbs, although in marine mammals these are fins).
If humans evolved from the sea where did the dinosaurs evolve from?
Humans evolved from mammals like dinosaurs such as dimetrodon. All Vertebrate's evolved from the sea, Dinosaurs and Humans alike (the first were neither Reptiles nor Mammals but Tetrapods). These Tetrapods were the first to make the move from ocean to land: At the time of the Dinosaurs the only Mammals were tiny mouse like creatures unable to increase in size and complexity due to the domination of the Dinosaurs - that small size helped the early mammals to survive underground whilst the Dinos perished during the extinction event. And the rest, is history!
