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60 Topic Pages Found in Biology and starting with the letter H
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Open Habitat (Ecology)
Habitat (Ecology)

HABITAT IS THE environment in which natural or human species live. In all cases, a habitat is an area where an individual or population exists or can

Haeckel, Ernst, 1834-1919

Place: Germany Subject : biography, biology German zoologist well known for his genealogical trees of living organisms and for his early support of

Open Hair
Hair

slender threadlike outgrowth from the skin of mammals. In some animals hair grows in dense profusion and is called fur or wool . Although all mammals

Haldane, J. B. S. (John Burdon Sanderson), 1892-1964

Place : United States of America Subject : biography, biology English-born Indian physiologist famous also for his work in genetics. Haldane was born

Open Hallucinations and illusions
Hallucinations and illusions

Hallucinations are involuntary sensory experiences that are perceived as emanating from the external environ-ment, in the absence of stimulation of

Open Hamerkop
Hamerkop

common name for a heavy-looking, heronlike bird, Scopus umbretta. Its plumage is brown with light and dark glossy, purplish streaks on the wings and

Open Hamilton, Alice, 1869-1970
Hamilton, Alice, 1869-1970

ALICE HAMILTON (1869–1970) shaped the field of industrial medicine in the United States beginning in the Progressive Era through research on the urban

Open Hammerhead sharks
Hammerhead sharks

active, surface-living shark, genus Sphyrina. Its curious head has lateral projections resembling the crossbar of a T, and its eyes and ears are

Hamsters

Old World rodent , related to the voles, lemmings, and New World mice. There are many hamster species, classified in several genera. All are solitary,

Open hand
hand

terminal part of the forelimb in primates. The human hand consists of the wrist, palm, four fingers, and thumb. In humans and other primates, the