1. Excretion occurs in various ways across different organisms.
2. Sponges and hydra rely on diffusion and osmosis to excrete waste, while flatworms use flame cells for filtration.
3. Annelids possess nephridia, arthropods have malpighian tubules, and crustaceans use antennal glands and green glands for excretion.
1. Excretion occurs in various ways across different organisms.
2. Sponges and hydra rely on diffusion and osmosis to excrete waste, while flatworms use flame cells for filtration.
3. Annelids possess nephridia, arthropods have malpighian tubules, and crustaceans use antennal glands and green glands for excretion.