Is earthworm a pseudocoelomate?

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Solution

Pseudocoelomate:
These organisms do not have a body cavity lined by mesoderm (between the body wall and gut wall).
Earthworm:
It belongs to the phylum annelida.
These organisms have a true coelom and hence are known as coelomates.
Therefore, the earthworm is a coelomate.

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Q. Classify the following organisms based on the absence/presence of true coelom (i.e, acoelomate, pseudocoelomate and coelomate)

Spongilla, Sea anemone, Planaria, Liverfluke Wuchereria, Ascaris, Nereis, Earthworm, Scorpion, Birds, Fishes, Horse.

Question 40
Classify the following organisms based on the absence/presence of true coelom (i.e., acoelomate, pseudocoelomate and coelomate)
Spongilla, Sea anemone, Planaria, Liver fluke, Wuchereria, Ascaris, Nereis, Earthworm, Scorpion, Birds, Fishes, Horse.

Name a pseudocoelomate?

Which of the following is a pseudocoelomate?

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Is earthworm a pseudocoelomate?

Pseudocoelomate: These organisms do not have a body cavity lined by mesoderm (between the body wall and gut wall). Earthworm: It belongs to the phylum annelida. These organisms have a true coelom and hence are known as coelomates. Therefore, the earthworm is a coelomate.

Pseudocoelomate:
These organisms do not have a body cavity lined by mesoderm (between the body wall and gut wall).
Earthworm:
It belongs to the phylum annelida.
These organisms have a true coelom and hence are known as coelomates.
Therefore, the earthworm is a coelomate.