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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

bajadas

Biology; Ecology

Lower mountain slopes covered with loose sediment, possibly from runoffs. Example: overlapping alluvial fans rolling along the base of arid peaks.

anaerobic

Biology; Ecology

Chemical reactions in the absence of oxygen and often initiated by bacteria or archaeans (bacterialike organisms that live in extreme conditions).

deposition

Biology; Ecology

The dropping of transported particles out of moving water onto a resting place. Also, a transformation from gas to solid as a result of cooling.

alginate

Biology; Ecology

A gelatinous extract of brown seaweed used to make a number of products, including toothpaste, beer, various medicines, paper, and frozen foods.

tepal

Biology; Ecology

A division of the outer whorl (perianth) of a flower (e.g., magnolias, lilies, and tulips) lacking clear differentiation into sepals and petals.

platypus

Biology; Ecology

Often poked fun at as an egg-laying mammal, the platypus sports a remarkable bill that detects its prey buried by generating an electric field.

endosymbiosis

Biology; Ecology

When one organism lives in another to the benefit of both. Examples of the resulting symbiosis include plastids, mitochondria, and chloroplasts.