Comets and meteoroids are small solar system bodies that orbit the sun. there is one distinctive feature of a comet that sets it apart from a meteoroid. what is it? a) elliptical orbits around the sun b) visible coma - fuzzy outline and tail c) the naming process for both comets and meteoroids is the same d) variances in the rock composition in both comets and meteoroids

i think its c. amphipod

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands