Animals of this phylum have a characteristic feature of presence of notochord, a dorsal hollow nerve cord and paired pharyngeal gill slits. Within this phylum is an advanced group called as vertebrates which include fish, amphibians, reptiles, birds and mammals.

Chordata

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Arthropda

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Mollusca

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Porifera

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Solution

The correct option is A Chordata
Phylum Chordata - Animals of this phylum have a characteristic feature of presence of a notochord, a dorsal hollow nerve cord and paired pharyngeal gill slits. Within this phylum advanced group called as vertebrates which include fish, amphibians, reptiles, birds, and mammals.
So, the correct answer is option A.

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Similar questions

Q. Based on the common features like presence of notochord and dorsal hollow neural system, animals like fishes, amphibians, reptiles, birds along with mammals are included in which Phylum?

Q. Phylum Chordata is characterised by the presence of
A. notochord
B. dorsal hollow nerve cord
C. paired pharyngeal gill slits

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