Question

define the terms and give one example of each:(a)Bilateral symmetry (b)coelom (c) triploblastic

Answer 1

Explanation:

Bilateral symmetry: There is only one imaginary axis on the body of a organism which divides in to equal parts. For ex. Human

Triploblastic: In case of multicellular animals, germ layers are formed during initial period of their embryonic development. there are two types of germ layers diploblastic & triploblastic. In triploblastic there are three germ layers endoderm, mesoderm & ectoderm.

Answer 2

1)BILATERAL SYMMETRY:-only one imaginary axis passing through the body dividies it into two equal halves.

2)BODY CAVITY:-cavity between the body and internal organs is called as body cavity /coelom.

3)TRIPLOBLASTIC:- three germinal layers ,ectoderm ,mesoderm and endoderm present.

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