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PART - 1 - Unit I : CH - 4 Animal Kingdom — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYPART - 1 - Unit I : CH - 4 Animal Kingdom2 Marks
Question
What is meant by dimorphism? Explain with example.
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Answer

Cnidarians exhibit two basic body forms called polyp and medusa. The former is a sessile and cylindrical form like Hydra, Adamsia, etc. Whereas, the latter is umbrella-shaped and free-swimming like Aurelia or jelly fish.

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