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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

enzyme

Biology; Ecology

Proteins that augment (catalyze) and manage chemical reactions in cells by lowering the activation energy.

epithelium

Biology; Ecology

The layer of cells lining a body cavity to protect it (e.g., the stomach). Both plants and animals have it.

gypsum

Biology; Ecology

Pale, sedimentary rock (hydrated calcium sulphate) ground up for use in plasters, cement, and fertilizers.

alkaline

Biology; Ecology

PH over 7; emits hydroxyl ions. Also called “basic. ” It neutralizes the acids it combines with chemically.

diagenesis

Biology; Ecology

Changes to sediment or fossils after burial. Similar to metamorphosis, but with less depth and less heat.

photic zone

Biology; Ecology

The watery layer through which light penetrates to nourish photosynthetic marine organisms like plankton.

vicariance

Biology; Ecology

The evolution of a new species from a group separated from the original species by a geographic barrier.