State the location and function of the following:
$(i)$ Contractile vacuole
$(ii)$ Ostia
$(i)$ Contractile vacuole
$(ii)$ Ostia
(N/A) $(i)$
Location: In Protozoa (e.g.,Amoeba).
Function: Osmoregulation and excretion.
$(ii)$
Location: In Porifera (sponges).
Function: These are minute pores on the body wall through which water enters the body cavity (spongocoel).
Location: In Protozoa (e.g.,Amoeba).
Function: Osmoregulation and excretion.
$(ii)$
Location: In Porifera (sponges).
Function: These are minute pores on the body wall through which water enters the body cavity (spongocoel).
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