28 Terms
Contributors in Ecology
Ecology
Scarification
Biology; Ecology
Extensive, artificial earth movement that exposes the underlying soils. Also, to nick and weaken a seed coat enough for germination.
Commensalism
Biology; Ecology
A coevolutionary relationship between species (usually animal species) that benefits one without significantly impacting the other.
Prokaryote
Biology; Ecology
An organisms whose cells lack a nucleus. Roughly synonymous with bacteria, but divided into eubacteria and archaeans. See Eukaryote.
Biochemical oxygen demand (BOD)
Biology; Ecology
The amount of oxygen required to dissolve and decompose organic matter. A water quality measurement often applied to treated sewage.
Continental shelf
Biology; Ecology
The more or less level sedimentary interval from the shore to the continental slope that leads deeply downward to the ocean floor.