The nephrostomes,in the kidneys,are functiona | vedclass

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(C) The nephrostomes are ciliated,funnel-like structures that serve as the internal openings of the excretory system in certain organisms.In the larva

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Tadpole

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(C) The nephrostomes are ciliated,funnel-like structures that serve as the internal openings of the excretory system in certain organisms.In the larval stage of frogs,known as the tadpole,the kidneys are of the pronephric type,which possess functional nephrostomes that open into the coelom to collect waste.As the tadpole undergoes metamorphosis into an adult frog,the pronephric kidneys are replaced by mesonephric kidneys,which lack these nephrostomes.Therefore,nephrostomes are functional in the tadpole stage.

Animal	Excretory organ/Unit
$(a)$ Balanoglossus	$(i)$ Metanephridia
$(b)$ Leech	$(ii)$ Nephridia
$(c)$ Locust	$(iii)$ Flame cells
$(d)$ Liver fluke	$(iv)$ Absent
$(e)$ Sea urchin	$(v)$ Malpighian tubule
$(f)$ Pila	$(vi)$ Proboscis gland

The nephrostomes,in the kidneys,are functional in

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Match the following:

Animal Excretory organ/Unit

$(a)$ Balanoglossus $(i)$ Metanephridia

$(b)$ Leech $(ii)$ Nephridia

$(c)$ Locust $(iii)$ Flame cells

$(d)$ Liver fluke $(iv)$ Absent

$(e)$ Sea urchin $(v)$ Malpighian tubule

$(f)$ Pila $(vi)$ Proboscis gland

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