Question

Define bilateral symmetry and triploblastic

Answer 1

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bilateral symmetry - In a type of body , there is only one such imaginary axis of body through which we can get two equal halves Ex. insects, fishes, frog , birds , human etc

triploblastic - In case of most of the multicellular animals three germ layers are formed i.e mesoderm besides endoderm and ectoderm

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Answer 2

Bilateral symmetry refers to the property of an organism or anything that can be divided into exactly two equal halves.

A triploblastic organism is that one that has all 3 germinal layers-ectoderm, endoderm and mesoderm.