Biology · ANIMAL KINGDOM

Which structural combination is diagnostic for Phylum Aschelminthes (roundworms)?

A
Acoelomate body, incomplete digestive system with hypostome, and dioecious hermaphroditism
B
Pseudocoelomate body cavity, complete alimentary canal with well-developed muscular pharynx, and sexual dimorphism
C
Coelomate body cavity, metameric segmentation, and parapodia for swimming
D
Diploblastic layers, cellular level of organization, and spicules skeleton

View Answer & Solution

Correct answer · Option B

Pseudocoelomate body cavity, complete alimentary canal with well-developed muscular pharynx, and sexual dimorphism

Explanation

Aschelminthes are pseudocoelomate, triploblastic, bilaterally symmetrical with a complete alimentary canal having a well-developed muscular pharynx. Sexes are separate (dioecious) showing sexual dimorphism (females usually longer than males).

Which structural combination is diagnostic for Phylum Aschelminthes (roundworms)?

Correct answer · Option B

Explanation

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Which structural combination is diagnostic for Phylum Aschelminthes (roundworms)?

Correct answer · Option B

Explanation

Related questions

OnlineCBT

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Important Pages

Courses & Practice

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