Question

Explain the following terms:
(i) Bilateral symmetry, (ii) Triploblastic animals and (iii) Open circulatory system.

Answer 1

hii frd here is ur answer
1) bilateral symmetry means for a body which can be cut into two equal halves is called as bilateral symmetry. example human----if we cut from the middle of the humans from the top to end then it can be obtained into two equal halves so the humans are also bilateral symmetrical.

2) triploblastic animals are means for the animal that has three layers in embryonic phase. and that three layers are ectoderm endoderm and mesoderm.

3) the open circulatory system means for the circulatory system where the bloods are not flow in the blood vessels means the blood is flowing openly.


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Answer 2

Answer:

hii frd here is ur answer

1) bilateral symmetry means for a body which can be cut into two equal halves is called as bilateral symmetry. example human----if we cut from the middle of the humans from the top to end then it can be obtained into two equal halves so the humans are also bilateral symmetrical.

2) triploblastic animals are means for the animal that has three layers in embryonic phase. and that three layers are ectoderm endoderm and mesoderm.

3) the open circulatory system means for the circulatory system where the bloods are not flow in the blood vessels means the blood is flowing openly.

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