Question

excretory system of platyhelminthes?
phylum of waler vascular system?​

Answer 1

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• Flatworms have an excretory system with a network of tubules throughout the body with openings to the environment and nearby flame cells, whose cilia beat to direct waste fluids concentrated in the tubules out of the body.Most flatworm species are monoecious, and fertilization is typically internal.

• The water vascular system is a hydraulic system used by echinoderms, such as sea stars and sea urchins, for locomotion, food and waste transportation, and respiration. The system is composed of canals connecting numerous tube feet.