Question

The excretory organs found in flatworms and earthworms are called _____. kidneys Malpighian tubules nephridia nephrons

Answer 1

Flatworms possess excretory organs known as nephridia. Specifically as annelids, flatworms possess a variant known as metanephridia. This variant is defined by a cilia-lined funnel that opens into a coelom that empties through a anus to the outside of the organism.