167
Question
The characteristic of cnidarians includes
I. Acoelomate
II. Radial symmetry
III. Development of a head
The characteristic of cnidarians includes
I. Acoelomate
II. Radial symmetry
III. Development of a head
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Solution
The correct option is D I and II only
Cnidarians are acoelomate animals. Acoelomate animals have no true body cavity.All cnidarians are characterized by radially symmetric body plans, rather than the bilaterally symmetric body plan. An animal with radial symmetry could be divided into equal portions from the center.
They do not have a head, but they have a mouth, surrounded by a crown of tentacles. Therefore both 1st and 2nd statements are correct about Cnidarians. Thus, the correct answer is option D.
Cnidarians are acoelomate animals. Acoelomate animals have no true body cavity.
All cnidarians are characterized by radially symmetric body plans, rather than the bilaterally symmetric body plan. An animal with radial symmetry could be divided into equal portions from the center.
They do not have a head, but they have a mouth, surrounded by a crown of tentacles. Therefore both 1st and 2nd statements are correct about Cnidarians. Thus, the correct answer is option D.
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