KEY CONCEPT Flatworms, mollusks, and annelids belong to closely related phyla.

Post on 06-Jan-2016

31 views 2 download

description

KEY CONCEPT Flatworms, mollusks, and annelids belong to closely related phyla. reproductive system. eyespot. head. pharynx. mouth. sucker. gut cavity. Flatworms are simple bilateral animals. Flatworms have a solid body and incomplete or absent gut. - PowerPoint PPT Presentation