Group of phylum Chordata
State the group of phylum Chordata which first colonized the terrestrial environment? Which habitat from did they come?
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Amphibians, are partially aquatic and partially terrestrial animals, they were the first chordates which has colonized the dry land. They arise from the aquatic habitat and were originated from the fishes. Reptiles were the former completely terrestrial chordates.
Explain, how chordates are reproduced?
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