Crossword puzzle clue "maroon 5 hit on billboard's 2015 year end hot 100 or zoo occupants"

ANIMAL, a living organism typically capable of voluntary motion and sensation

to shout out a greeting, also HALLO, HALLOA, HALLOO, HILLO, HILLOA, HOLLA, HOLLO, HOLLOA, HOLLOO, HULLO

resentful of another's advantages, also GEALOUS

a plant of the cabbage species, resembling the cauliflower, also BROCOLI