............. are known to have pseudocoelom.

Nematodes

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Mammals

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Aves

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None of these

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Solution

The correct option is A Nematodes
Mammals and Aves are vertebrates hence, possess a true coelom, where organs are situated.
The body cavity of certain invertebrate is situated between the body wall and the intestine, which is not linked with a mesodermal epithelium, is called pseudocolor. Nematodes possess a cavity-like structure but not a true cavity or coelom. It is called as pseudocolor.
Therefore, the correct answer is option A.

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Similar questions

Q. Nematodes are pseudocoelomates.

Coelenterates are A)

Q. Short answer type questions
What is a pseudocoelom ? What are the advantages of having a coelom ? Name the invertebrate phylum that has a pseudocoelom?

Q. Which of the following groups have one or more animals who are not pseudocoelomate?

Question 47
Give examples for the following
(a) Bilateral, dorsiventral symmetry is found in___.
(b) Worms causing disease elephantiasis is ___.
(c) Open circulatory system is found in ___ where coelomic cavity is filled with blood.
(d) ___are known to have pseudocoelom.

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