Biology

Biology

A natural science concerned with the study of life or living matter in all its forms and phenomena, especially in relation to their origin, growth, reproduction, structure, behaviour and evolution.

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Biology > Ecology

declination and right ascension

Biology; Ecology

Declination, the angular distance north or south from the celestial equator (the imaginary sky curve projected upward from the Earth's equator), combines with right ascension ...

agricultural pollution

Biology; Ecology

Pesticides, fertilizers, wastes, erosion dust, runoff from fields, and animal infections are a few of the varieties. According to the Environmental Protection Agency, half the ...

fungi

Biology; Ecology

Saprophytic (decay-fed), spore-making plants without chlorophyll: rusts, molds, smuts, mildews, mushrooms, and yeasts. Their long hyphae filaments aerate and bind soils, aid water ...

mind-body problem

Biology; Ecology

A sterile philosophical dilemma given its first modern expression by mathematician and swordsman Rene Descartes. Its basic question: how do the mind and the body relate to one ...

gene

Biology; Ecology

A chunk of DNA that allows organisms to pass on adaptations and acquired features by making a protein through codon sequences. DNA duplication errors often create new genes. ...

ruminant

Biology; Ecology

A hooved mammal that eats its food, regurgitates it (cud), and eats it again, a procedure made possible by a four-chambered stomach. Ruminants include cattle, bison, sheep, deer, ...

inkhorn

Biology; Ecology

A small ink container, but also a term of sarcasm directed at scholarly pedants who insisted on bringing long, Latinized terms--inkhorn terms--into English, a practice deplored in ...