The three features worms possess that poriferans and cnidarians do not are: 1)
2)
3)
Annelids possess two additional features that the other three phyla of worm do not, which are
1)
2)​

the electromagnetic spectrum includes, from longest wavelength to shortest: radio waves, microwaves, infrared, optical, ultraviolet, x-rays, and gamma-rays.

well

explanation:

a scenario where a cell may be needed to perform a form of endocytosis is when transporting large molecules. a scenario where a cell may be needed to perform a form of exocytosis is when releasing the large molecule from the cell.