a living organism that feeds on organic matter, typically having specialized sense organs and nervous system and able to respond rapidly to stimuli

wild animals adapt badly to a caged life

humans are the only animals who weep

relating to or characteristic of animals

the evolution of animal life

animal welfare

characteristic of the physical and instinctive needs of animals; of the flesh rather than the spirit or intellect

a crude surrender to animal lust

relating to or denoting the pole or extremity of an embryo that contains the more active cytoplasm in the early stages of development