All animals need to obtain nutrients for energy and for

Last updated: 7/24/2022

All animals need to obtain nutrients for energy and for building new body parts and mass. Which anatomical feature related to this need is shared by annelids, molluscs, and amphibians but not by flatworms, sponges and cnidarians? one opening to the digestive system sac body plan complete digestive tract intracellular digestion filter feeding.