The animals in which coelom originates as a space in the mesoderm are termed as

Acoelomates

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Pseudocoelomates

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Schizocoelic and enterocoelic

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All of the above

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Solution

The correct option is C Schizocoelic and enterocoelic
Acoelomate is an animal that does not have a body cavity. It lacks fluid-filled cavity between the body wall and digestive tract. Pseudocoelomate is an animal that has a fluid-filled body cavity (pseudocoelom) between the endoderm and the mesoderm. Pseudocoelom originates from a persistent blastocoel unlike a true coelom. Schizocoelic animals are those animals in which coelom arises due to the splitting of mesoderm. Enterocoelic animals are those animals in which coelom arises from mesodermal sacs. Hence, in both schizocoelic and enterocoelic animals, coelom originates as a space in the mesoderm.
Thus, the correct answer is option C.

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Similar questions

Animals in which the body cavity is not lined by mesoderm, and instead, the mesoderm is present as scattered pouches in between the ectoderm and endoderm are:

Q. Coelom of animals commonly known as tooth shells originates from

Q. In which of the following animals, mesoderm is present as scattered pouches in between the ectoderm and endoderm?

Body cavity is the cavity present between body wall and gut wall. In some animals the body cavity is not lined by mesoderm. Such animals are called.

(a) Acoelomate

(b) Pseudocoelomate

(d) Haemocoelomate

Q. Read the following statements:

i) Spider and mosquito possess compound eye
ii) Jelly fishes possess cnidoblasts but comb-jellies lack them.
iii) Aphids increase crop yield
iv) All animals having true coelom are characterized by the presence of bilateral symmetry usually , tube -within-tube body plan, presence of mesoderm and true segmentation
v) The animals of the phylum porifera have originated from colonial protozoans.
Which of the above statements are correct?

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