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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

reaeration

Biology; Ecology

Mechanical augmentation of dissolved oxygen in water, as in cresting waves or below waterfalls.

standing crop

Biology; Ecology

The biomass of a trophic level, community, population, or species at a certain time and place.

nondegradable pollutants

Biology; Ecology

Those that do not decompose. Examples include lead, mercury, arsenic, plastics, and synthetics.

low moor

Biology; Ecology

A mineral-rich fen of peat or muck soil formed in nutritive waters, often drained from nearby.

stone mulch

Biology; Ecology

Placing stones near plants to water them with collected dew and to conserve water in the soil.

bedding plane

Biology; Ecology

A layer that indicates a change in the type of sediment (e.g., where sand gives way to shale).

genetic diversity

Biology; Ecology

Genetic variability found in a population due to the genetic combinations of its individuals.