An earthworm has a complete digestive system. how does the earthworm remove undigested food?

Which zone within the open-ocean zone is home to the most organisms? deep zone surface zone intertidal zone transition zone

Which of the following describes how binary fission and mitosis are similar? a)they are both used for growth or repair b)they both break down membrane-bound nuclei c)both invoke the replication of a single stand of dna d)both replicate genetic material

2points what do bacteria have in common with the cells of other living organisms?