The nutrients get to the cells in a flatworms solid acoelomate body by diffusion process. Flatworms feed primarily on protozoa and bacteria, smaller worms and tiny organisms, dead or alive, that they come across. Based on the species of the flatworms , they also consume plant materials. They rely on diffusion to transport oxygen and nutrients to their internal tissues.
Answer:<u><em>DNA and RNA are similar in structure because they both have: a sugar-phosphate backbone, and nitrogen base rungs- basically both made of nucleotides. DNA and RNA are similar in function because they both perform: protein synthesis.</em></u>