Question

why are annelids called to have true coelom​

Answer 1

Annelids called to have true coelom​:

• A pipe like fluid-filled cavity seen in the living things, acting as a protective cushion for the situated internal organs is called a coelom.

• A true coelom is lined up on all  the sides by a mesoderm which results in muscles that are surrounding the gut, also underlying the body wall.

• This allows efficiency of digestion to rise because food can be pushed into the digestive tract by the muscles.

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Answer 2

Explanation of "Annelids are known to have a true coelom"​:

• Some organisms may not have a coelom or may have a false coelom (pseudocoelom).
• Animals having coelomsare known as coelomates, and those without are known as acoelomates.
• There are also "subtypes of coelom": schizocoelom: Matured from split in mesoderm present in annelids, arthropods and molluscs.
• The need of a "coelom is correlated" with a "reduction in body size".
• Few organisms may not have a "coelom" or "may have a wrong coelom" (pseudocoelom).

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