Why does the Ctenophora is a minor phylum [RPMT 2001]
A) It includes small sized animals
B) It includes only few genera
C) It does not include animals of economic importance
D) It was included earlier in cnidarian
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C) it does not include animals of economic importance
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Answer:
The correct answer of this question is option C.
Explanation:
Ctenophora which are also known as the comb jellies is a phylum of marine creatures which move with the help of cilia in the underwater environment.
The ctenophora phylum only includes very few genera and that's why it is considered as a minor marine phylum.
Biologists are predicting that a complete extinction of this minor phylum is obvious in the near future.
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