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Diversity In Living Organisms — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceDiversity In Living Organisms3 Marks
Question

What is difference between bilateral symmetry and radial symmetry?

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Answer

Bilateral symmetry
Radial symmetry
i.
Limbs and organs are paired.
Limbs and organs occur all around the central axis.
ii.
Cephalization is present.
Cephalization is absent.
iii.
The animal body can be divided into two equal halves by one plane called mid-sagittal plane.
The animal's body can be divided into two equal halves by any vertical plane passing through the central axis.

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