What feature does a worm have in common with a horse?
The problem is that “worm” can mean all sorts of things – earthworms, feather-duster worms, roundworms, flatworms, acorn worms, velvet worms, priapulids, and so on. “Worm” is even sometimes applied to insect larvae (grubs, caterpillars, etc.). None of these is particularly closely related to the others, and each shares something different with a horse. I suspect the question meant something like “earthworm.” In that case – both have cells with a nucleus. Both have DNA in those nuclei. Both are multicellular. Both are bilaterally symmetrical (one side is a mirror image of the other). Both have digestive, nervous, and muscle tissue. Neither lives in the ocean (though many other worms do), and neither can drink seawater. Both depend on soil for survival – the earthworm lives in, and eats, soil; the horse grazes on grass growing from the soil. Neither is photosynthetic. Neither is predatory. Both can be eaten by other animals. Both have internal fertilization (though unlike horses, earthwo