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Question
A radially symmetrical diploblastic animal is
A radially symmetrical diploblastic animal is
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Solution
The correct option is D Hydra
- Hydra, which a Coelenterate animal, has two germ layers – outer ectoderm and inner endoderm. That is why Hydra is considered to be a diploblastic animal.
In the body of Hydra, similar parts are orderly arranged in a circular fashion around a central axis. This form of symmetry in Hydra is referred to as Radial symmetry.
- Roundworms (Nematodes) are Bilaterally symmetrical and Triploblastic animals.
- Earthworm, which is an Annelid, is Bilaterally symmetrical and a Triploblastic animal.
- Liver fluke, which is a Flatworm (Platyhelminth) is Bilaterally symmetrical and a Triploblastic animal.
- Hydra, which a Coelenterate animal, has two germ layers – outer ectoderm and inner endoderm. That is why Hydra is considered to be a diploblastic animal.
In the body of Hydra, similar parts are orderly arranged in a circular fashion around a central axis. This form of symmetry in Hydra is referred to as Radial symmetry.
- Roundworms (Nematodes) are Bilaterally symmetrical and Triploblastic animals.
- Earthworm, which is an Annelid, is Bilaterally symmetrical and a Triploblastic animal.
- Liver fluke, which is a Flatworm (Platyhelminth) is Bilaterally symmetrical and a Triploblastic animal.
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