What is a positive impact that humans have on the environment?

Afisherman is dragging his boat from the shore out into the ocean. match the following lists of areas he will move over in the correct order. continental rise continental slope continental shelf [tex]1.[/tex] [tex]2.[/tex] [tex]3.[/tex]

Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm

What part of the body contains bile, an enzyme that break down lipids?