ecological efficiency
51Hydrothermal vent — Marine habitats White smokers emitting liquid carbon dioxide at the Champagne vent, Northwest Eifuku volcano, Marianas Trench Marine National Monument Littoral zone …
52Maximum sustainable yield — In population ecology and economics, maximum sustainable yield or MSY is, theoretically, the largest yield (or catch) that can be taken from a species stock over an indefinite period. Fundamental to the notion of sustainable harvest, the concept… …
53Introduced species — Alien species redirects here. For life on planets other than Earth, see Extraterrestrial life. For a list of extraterrestrials in fiction, see List of alien species. Sweet clover (Melilotus sp.), introduced and naturalized to the U.S. from… …
54Biogeochemical cycle — A commonly cited example is the water cycle. In ecology and Earth science, a biogeochemical cycle or substance turnover or cycling of substances is a pathway by which a chemical element or molecule moves through both biotic (biosphere) and… …
55Decomposer — For the Matches album of the same name, see Decomposer (album). The fungi on this tree are decomposers Decomposers (or saprotrophs) are organisms that break down dead or decaying organisms, and in doing so carry out the natural process of… …
56Metabolic theory of ecology — The metabolic theory of ecology (MTE) is an extension of Kleiber s law and posits that the metabolic rate of organisms is the fundamental biological rate that governs most observed patterns in ecology.[1] MTE is based on an interpretation of the… …
57Detritivore — Earthworms are a good example of soil dwelling detritivores Detritivores, also known as detritophages or detritus feeders or detritus eaters or saprophages, are heterotrophs that obtain nutrients by consuming detritus (decomposing plant and… …
58Niche construction — Beavers hold a very specific biological niche in the ecosystem: constructing dams across river systems.) Niche construction is the process in which an organism alters its own (or other species ) environment, often but not always in a manner that… …
59Microbial ecology — is the ecology of microorganisms: their relationship with one another and with their environment. It concerns the three major domains of life Eukaryota, Archaea, and Bacteria as well as viruses. Microorganisms, by their omnipresence, impact the… …
60Antipredator adaptation — A lone bison is standing its ground against a pack of wolves, thereby increasing its chance of survival Antipredator adaptations are evolutionary adaptations developed over time, which assist prey organisms in their constant struggle against… …
