Question

how are pisces (fishes)different from tetrapoda?explain in six points.
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Answer 1

Answer:

There are a lot of differences between a Pisces and tetrapoda. The pisces include the fishes which have paired appendages known as pectoral and pelvic fins. They respire by gills and have dermal scales which form the exoskeleton. The tetrapoda include the amphibian, mammalian, reptilian and aves which have paired appendages as a five digit limb. They respire by lungs and have epidermal scales, feathers and hairs which form the exoskeleton. The heart of fishes is 2 chambered. They have internal ear but do not have the internal nares. The heart of tetrapoda can be 3 or 4 chambered. They have middle, internal and external ear and also have the internal nares. Fishes are aquatic but tetrapoda can be aquatic or land living.

Explanation:

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