which of the following animal shows bilateral symmetry?a)Amoeba,b)Sponge,c)Paramecium,d)Frog
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Option d)Frog is correct
Explanation:
As in bilateral symmetry body divides in 2Equal halves
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Option D : The frog shows Bilateral Symmetry
Bilateral Symmetry: A body or an organism is said to be bilaterally symmetrical, if vertically divided, it forms identical left and right halves.
Bilateral Symmetry in given organisms :
- Option A : Amoeba is an organism with irregular and undefined shapes due to the formation of pseudopodia in it. It is radially symmetrical instead of bilaterally.
- Option B : Sponges are multicellular organisms that are highly irregular in shape. They are asymmetrical, hence it has no axis of symmetry that divides into identical halves.
- Option C : Paramecium has a fixed definite shape which is asymmetric. The right and left halves in a Paramecium differ due to which it does not have bilateral symmetry
- Option D : Frog is an organism that belongs to the Amphibia class. Due to most of the organ placement in pairs i.e. left and right, they have a vertical axis of symmetry i.e. are bilaterally symmetrical.
Hence, Frog among the given options has Bilateral Symmetry.
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