Which one of the following statements regardi | vedclass

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(A) $1$. $Aschelminthes$ (Roundworms) possess a body cavity that is not lined by mesoderm,but rather the mesoderm is present as scattered pouches betw

Vedclass · Accepted Answer

Roundworms $(Aschelminthes)$ are pseudocoelomates.

Vedclass · Answer

(A) $1$. $Aschelminthes$ (Roundworms) possess a body cavity that is not lined by mesoderm,but rather the mesoderm is present as scattered pouches between the ectoderm and endoderm. This type of body cavity is called a pseudocoelom.$2$. Molluscs are true coelomates,meaning they possess a body cavity lined by mesoderm.$3$. Insects (Arthropods) are true coelomates.$4$. $Platyhelminthes$ (Flatworms) are acoelomates,meaning they lack a body cavity.Therefore,the statement that roundworms are pseudocoelomates is correct.

$(a)$ $6-15$ pairs of gill slits	$(i)$ $Trygon$
$(b)$ Heterocercal caudal fin	$(ii)$ $Petromyzon$
$(c)$ Air bladder	$(iii)$ $Chondrichthyes$
$(d)$ Poison sting	$(iv)$ $Osteichthyes$

Which one of the following statements regarding the given animals is correct?

Similar Questions

In which aspects do organisms of the animal kingdom show diversity?

$A.$ Animals are multicellular organisms composed of eukaryotic cells.
$R.$ Sponges do not perform photosynthesis and obtain nutrition by absorption.

Choose the correct pair:

Which pair of animal groups contains the respiratory pigment $Hemocyanin$?

Match the following columns and select the correct option:

$(a)$ $6-15$ pairs of gill slits $(i)$ $Trygon$

$(b)$ Heterocercal caudal fin $(ii)$ $Petromyzon$

$(c)$ Air bladder $(iii)$ $Chondrichthyes$

$(d)$ Poison sting $(iv)$ $Osteichthyes$

$(a)\quad (b)\quad (c)\quad (d)$

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