(Encyclopedia) AelianAelianēˈlēən [key], fl. 2d cent. a.d., Greek rhetorician, b. Praenesta; his original name was Claudius Aelianus. He taught rhetoric in Rome c.220. His works, all in Greek,…
(Encyclopedia)
CE5
Mimicry in butterflies
mimicry, in biology, the advantageous resemblance of one species to another, often unrelated, species or to a feature of its own environment. (When the…
(Encyclopedia) salivary glandssalivary glandssălˈəvârˌē [key], in humans, three pairs of glands that secrete the alkaline digestive fluid, saliva, into the mouth. Most animals have salivary glands…
(Encyclopedia) thylacinethylacinethīˈləsīnˌ [key] or Tasmanian wolf, carnivorous marsupial, or pouched mammal, of New Guinea, Australia, and Tasmania, presumed extinct since 1936. The thylacine is…
(Encyclopedia) anaplasmosisanaplasmosisănˌəplăzmōˈsĭs [key], infectious blood disease in cattle, sheep, and goats, caused by a rickettsia of the genus Anaplasma. The organism parasitizes red blood…
(Encyclopedia) housefly, common name of the fly Musca domestica, found in most parts of the world. The housefly, a scavenger, does not bite living animals but is dangerous because it carries bacteria…
(Encyclopedia) insectivoreinsectivoreĭnsĕkˈtəvōrˌ [key], term broadly given to any insect-eating animal or plant. The term also refers to mammals of the former order Insectivora, in which was…
(Encyclopedia) KalahariKalaharikäˌlähäˈrē [key], arid plateau region, c.100,000 sq mi (259,000 sq km), in Botswana, Namibia, and South Africa. The Kalahari, covered largely by reddish sand, lies…
(Encyclopedia) killer whale,&sp;orca, or grampus, a large, rapacious marine mammal of the dolphin family. Historically considered one species, Orcinus orca, killer whales may be classified into…
(Encyclopedia) Skinner, Burrhus Frederic, 1904–90, American psychologist, b. Susquehanna, Pa. He received his Ph.D. from Harvard in 1931, and remained there as an instructor until 1936, when he moved…
