Ecology

Ecology

Contributors in Ecology

Ecology

Two annual dates when the sun is farthest from the celestial equator: June 21 or 22, when it stands the farthest north, and December 21 or 22, its southernmost position (in the northern hemisphere; ...

Biomagnification

Biology; Ecology

Using natural means like predators to control pests, like growing ginger to repel snails and slugs and nasturtiums to ward off aphids, which are also food for ladybugs and lacewing moths. Goldfish ...

Biocontrol

Biology; Ecology

Batholith

Biology; Ecology

A huge mass of igneous rock, usually granitic, that formed deep underground and only surfaced through erosion of the overlying mountainous material. Often found near plate edges (see Plate ...

Asexual reproduction

Biology; Ecology

Reproduction without gametes (sperm and egg) in which a single parent creates a clone of itself, often by budding or dividing itself. The offspring is genetically identical to the parent. Organisms ...

Quark

Biology; Ecology

The particle that makes up protons and neutrons. Although the quark is our current most fundamental particle, some physicists suspect that in a universe of shifting relational energies, the very ...

Pruning

Biology; Ecology

Cutting away stems or branches to improve a plant's vigor. Candidates include branches with a lot of bulk but little foliage, weak branches, V-shaped crotch branches, water sprouts, crisscrossed ...