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Jordan, David Starr

(Encyclopedia)Jordan, David Starr, 1851–1931, American scientist and educator, b. Gainesville, N.Y., M.S. Cornell, 1872, M.D. Indiana Medical College, 1875, and studied under Louis Agassiz at Penikese Island. He ...

physiology

(Encyclopedia)physiology fĭzēŏlˈəjē [key], study of the normal functioning of animals and plants during life and of the activities by which life is maintained and transmitted. It is based fundamentally on the...

mudpuppy

(Encyclopedia)mudpuppy, common name for North American salamanders of the genus Necturus, found in rivers and streams throughout the E United States and SE Canada. The name derives from an erroneous belief that mud...

honeyguide

(Encyclopedia)honeyguide, small plainly colored Old World bird of the family Indicatoridae, known for its habit of leading man and some lower animals (notably the honey badger) to the nests of wild bees. Honeyguide...

scabies

(Encyclopedia)scabies skāˈbēz [key], highly contagious parasitic skin disease caused by the itch mite (Sarcoptes scabiei). The disease is also known as itch. It is acquired through close contact with an infested...

hives

(Encyclopedia)hives (urticaria), rash consisting of blotches or localized swellings (wheals) of the skin, caused by an allergic reaction (see allergy). The swelling is caused by distention of the skin capillaries a...

tamarisk

(Encyclopedia)tamarisk tămˈərĭsk [key], shrub or small tree of the genus Tamarix, native chiefly to the Mediterranean area and to central Asia. The plants are often heathlike and thrive in arid and coastal regi...

Agassiz, Alexander

(Encyclopedia)Agassiz, Alexander ăgˈəsē [key], 1835–1910, American naturalist and industrialist, b. Neuchâtel, Switzerland; son of Louis Agassiz, stepson of Elizabeth Cary Agassiz. He came to the United Stat...

animal

(Encyclopedia)animal, any member of the animal kingdom (kingdom Animalia), as distinguished from organisms of the plant kingdom (kingdom Plantae) and the kingdoms Fungi, Protista, and Monera in the five-kingdom sys...

goldfish

(Encyclopedia)goldfish, freshwater fish, genus Carassius, of the family Cyprinidae, popular in aquariums and ponds. Native to China, it was first domesticated centuries ago from the wild form, an olive-colored carp...