Which of the following animals has a true coelom ?
a. Ascaris
b. Pheretima
c. Sycon
d. Taenia solium
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Pheretima has true coelom
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Out of the following the animal that has true coelom is pheretima
Option (b)
Explanation:
- Pheretima stands for Earthworm. earthworm is an animal which consists of true body cavity or coelom.
- Usually all the animals in a different in characteristics and hence they are separated in different phylum.
- True body cavity is present only e in the non primitive animals. Out of the options which are given above earthworm is an insect which has true body cavity.
- As a result there is proper diffusion of Oxygen and Carbon dioxide into the body cavity through which all the cells of the body get essential nutrients and gaseous supply.
To know more about earthworm,
How are tapeworm and Earth from different from each other?
https://brainly.in/question/1231739
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