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.

Column $I$	Column $II$
$(a)$ Aptenodytes	$(i)$ Flying fox
$(b)$ Pteropus	$(ii)$ Angel fish
$(c)$ Pterophyllum	$(iii)$ Lamprey
$(d)$ Petromyzon	$(iv)$ Penguin

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

Similar Questions

Statement-$I$ :- Cyclostomata do not have jaws.
Statement-$II$ :- Urochordates do not have a vertebral column.

Select the animals having an open type of circulatory system:
$(i)$ $Ascidia$
$(ii)$ $Cockroach$
$(iii)$ $Earthworm$
$(iv)$ $Prawn$
$(v)$ $Silver$ $fish$
$(vi)$ $Snail$
$(vii)$ $Squid$

Match the following columns and select the correct option:

Column $I$ Column $II$

$(a)$ Aptenodytes $(i)$ Flying fox

$(b)$ Pteropus $(ii)$ Angel fish

$(c)$ Pterophyllum $(iii)$ Lamprey

$(d)$ Petromyzon $(iv)$ Penguin

Write one example for each of the following in the space provided:
$(a)$ Cold-blooded animal.
$(b)$ Warm-blooded animal.
$(c)$ Animal possessing dry and cornified skin.
$(d)$ Dioecious animal.

Trochophore larva occurs in

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