Questions in diversity-of-life

Select	Question
	Animals devoid of respiratory, excretory and circulatory organs are
	Collar cells occur in
	Nutrition is sponges is
	Carmine particle put above osculum of a sponge would be
	Totipotent cells of sponges are
	Characteristics of sponges is
	Sponges have evolved from
	Which is universal for sponges
	In sponges, canal system develops due to
	Osculum occurs in