11) Turbellarians are free-living worms in Phylum Platyhelminthes. They have a thin, very flat body form. Their body has to be flat because Group of answer choices they need to be able to expand their...

11) Turbellarians are free-living worms in Phylum Platyhelminthes. They have a thin, very flat body form. Their body has to be flat because

Group of answer choices

they need to be able to expand their body when they breathe

they need space for their notochord

they rely on diffusion across their body wall for gas exchange

they do not exhibit any cephalization so this makes them more efficient

they have an exoskeleton and they would be too heavy to move if they weren't flat

Jun 11, 2022

Get Answer To This Question