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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.

Animal	Characteristics
$(a)$ Pila	$(1)$ Jointed appendages
$(b)$ Cockroach	$(2)$ Perching
$(c)$ Asterias	$(3)$ Water vascular system
$(d)$ Torpedo	$(4)$ Electric organ
$(e)$ Parrot	$(5)$ Presence of shell
$(f)$ Dog fish	$(6)$ Placoid scales

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

Similar Questions

Which one feature is common to leech,cockroach and scorpion?

Match the following and select the correct option:

Animal Characteristics

$(a)$ Pila $(1)$ Jointed appendages

$(b)$ Cockroach $(2)$ Perching

$(c)$ Asterias $(3)$ Water vascular system

$(d)$ Torpedo $(4)$ Electric organ

$(e)$ Parrot $(5)$ Presence of shell

$(f)$ Dog fish $(6)$ Placoid scales

Prepare a list of some animals that are found parasitic on human beings.

Select the correct option for the labeled part $X$ and $Y$ from the given diagram.

Spiral cleavage is found in

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