(Encyclopedia) animal-rights movement, diverse individuals and groups concerned with protecting animals from perceived abuse or misuse. Supporters are specifically concerned with the use of animals…
(Encyclopedia) MetazoaMetazoamĕtˌəzōˈə [key], subkingdom of the animal kingdom comprising the multicellular animals in the traditional two-kingdom system of taxonomic classification, in which living…
(Encyclopedia) brucellosisbrucellosisbr&oomacr;ˌsəlōˈsĭs [key] or Bang's disease, infectious disease of farm animals that is sometimes transmitted to humans. In humans the disease is also known…
(Encyclopedia) symmetry, biological, similarity or balance between parts of an organism so that when a straight cut is made through a point or along a line, equal, mirror-image halves are formed.…
(Encyclopedia) hibernationhibernationhīˌbərnāˈshən [key] [Lat.,= wintering], practice, among certain animals, of spending part of the cold season in a more or less dormant state, apparently as…
(Encyclopedia) zoological garden or zoo, public or private park where living animals are kept for exhibition and study. The menageries and aviaries of China, Egypt, and Rome were famous in ancient…
(Encyclopedia) MezozoaMezozoamĕzˈəzōˌə, mēˈzə– [key], name of an animal subkingdom and also of the subkingdom's only phylum. The mezozoans are simple parasitic marine wormlike animals of only 20 to…
(Encyclopedia) Grandin, Temple, 1947–, American animal scientist and industrial designer, b. Boston, grad. Franklin Pierce College (B.A., 1970), Arizona State Univ. (M.S., 1975), Univ. of Illinois (…
(Encyclopedia) hunting, act of seeking, following, and killing wild animals for consumption or display. It differs from fishing in that it involves only land animals. Hunting was a necessary activity…
(Encyclopedia) albinoalbinoălbīˈnō [key] [Port.,=white], animal or plant lacking normal pigmentation. The absence of pigment is observed in the body covering (skin, hair, and feathers) and in the…