The relationships human societies have with animals aren't fixed, but vary according to era, culture, territory and customs.

Animals are those organisms which are eukaryotic, multicellular and heterotrophic in their mode of nutrition. Except few, most animals are mobile and do not have cell wall. The two sides of the body ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. You might have played the game called "animal, vegetable, mineral". One ...