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Byju's Answer
Standard XII
Biology
Taxonomic Hierarchy
Why does the ...
Question

Why does the Ctenophora is a minor phylum?

A
It includes small sized animals.
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B
It includes only few genera.
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C
It does not includes animals of economic importance.
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D
It was included earlier in Cnidaria.
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Solution

The correct option is B It includes only few genera.
Ctenophora is considered as a small phylum. The phylum contains very few genera and only about 80 species. This group includes a set of marine animals. These organisms are commonly called as comb jellies. Earlier, this phylum was placed under Coelenterata. Hatschek placed it under a separate phylum.
Thus, the correct answer is option B.

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