Botany - Animal Kingdom Question with Solution | TestHub

Option (2) is the answer as it represents the correct match. - Contractile vacuole is present in Amoeba and helps in osmoregulation. - Water vascular system is the most distinctive feature of echinoderms such as Asterias, Echinus etc. - Sponges have water transport or canal system in Spongilla. Platyhelminthes like Taenia have specialised cells called flame cells that helps in osmoregulation and excretion.