Delete my all question

The kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.

To be or not to be that is da question

Nephrons, the functional unit of kidneys, are responsible for formation of urine. the sentences describe situations that are the result of problems in the urine formation process. for the nephron shown below, match each situation to the step in the urine formation process where the problem lies.