- what are the two major groups of body muscles in annelids called?
- TRUE OR FALSE:Mollusks share similar developmental stages
- do roundworms reproduce sexually or asexually?
- TRUE OR FALSE:Marine Annelids suck the blood of their host
- TRUE OR FALSE:Marine Annelids have paired, paddlelike appendages tipped with setae
- A body cavity that is lined only partually with tissue derived from the mesoderm is called a ___________
- TRUE OR FALSE:All flatworms rely on diffusion for some esstential functions
- TRUE OR FALSE:Free-living species probably evloved from parasitic ancestors
- Annelids are among the simpliest animals to have a true ____________
- A muscular tube near the mouth at the end of the gastrovascular cavity is called a _______
- TRUE OR FALSE:parasitic specices are typically simpler in structure than free-living species
- TRUE OR FALSE:Marine Annelids typically have only a few setae
- A group of cells that can detect changes in the amount of light in a flatworm's environment is called an ______
- TRUE OR FALSE:Some roundworms are a meter in length
- TRUE OR FALSE:Parasitic roundworms live in plants and in animals
- attached to each annelid segment are bristles called ___________
- Marine annelids have paddle like appendages called _______________
- What evidence is there that annelids are more closely related to clams and snails (mollusks) than to flatworms or roundworms?
- TRUE OR FALSE:Polychaetes are marine annelids
- TRUE OR FALSE:Many free living roundworms are predators?