What is definition animals then?
Take your pick:
an·i·mal [an-uh-muhl]
noun
1.any member of the kingdom Animalia, comprising multicellular organisms that have a well-defined shape and usually limited growth, can move voluntarily, actively acquire food and digest it internally, and have sensory and nervous systems that allow them to respond rapidly to stimuli: some classification schemes also include protozoa and certain other single-celled eukaryotes that have motility and animallike nutritional modes.
2.any such living thing other than a human being.
World English Dictionary
animal (ˈænɪməl)
—n
1. zoology any living organism characterized by voluntary movement, the possession of cells with noncellulose cell walls and specialized sense organs enabling rapid response to stimuli, and the ingestion of complex organic substances such as plants and other animalsRelated: zoo-
2. any mammal, esp any mammal except man
Medical Dictionary
1an·i·mal definition
Pronunciation: /ˈan-ə-məl/ Function: n1 : any of a kingdom (Animalia) of living things including many-celled organisms and often many of the single-celled ones (as protozoans) that typically differ from plants in having cells without cellulose walls, in lacking chlorophyll and the capacity for photosynthesis, in requiring more complex food materials (as proteins), in being organized to a greater degree of complexity, and in having the capacity for spontaneous movement and rapid motor response to stimulation
2 a : one of the lower animals as distinguished from human beings b : MAMMAL broadly : VERTEBRATE
animal an·i·mal (ān'ə-məl) n.
A multicellular organism with membranous cell walls of the kingdom Animalia, differing from plants in certain typical characteristics such as capacity for locomotion, nonphotosynthetic metabolism, pronounced response to stimuli, restricted growth, and fixed bodily structure.
An animal organism other than a human, especially a mammal.