The characteristics of the phylum are given below, read them and answer the
questions.
a) Body of these animals is cylindrical. b) Cnidoblast bearing tentacles are present.
1. Name the phylum. 2. Name its cylindrical and umbrella like forms.
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Answer:
cnidarians,The polyp form of class cnidaria is the cylindrical and sessile form. While the other forms of cnidaria i.e. medusa is umbrella shaped and free swimming.
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Answer:
1. The phylum referred to is Cnidaria.
2. The cylindrical body form is called polyp and the umbrella-like body form is called medusa.
Explanation:
The distinguishing feature of the members of Phylum Cnidaria is the presence of explosive cells called cnidoblasts on the tentacles. These cells contain stinging apparatus that is fired when required.
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