- 업종: Biology
- Number of terms: 15386
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Terrapsychology is a word coined by Craig Chalquist to describe deep, systematic, trans-empirical approaches to encountering the presence, soul, or "voice" of places and things: what the ancients knew as their resident genius loci or indwelling spirit. This perspective emerged from sustained ...
A positively charged particle in the nucleus of an atom. The number of protons determines the nature of an element: one proton for hydrogen, two for helium, etc.
Industry:Biology
The breakdown of glucose via enzymes into pyruvic acid, an initial step in the conversion of simple sugars into energy for the body. See Carbohydrate Catabolism.
Industry:Biology
The percentage (usually around 10%) of useful energy that passes from one trophic level in a food chain to another. Shorter food chains tend to lose less energy.
Industry:Biology
A fluid-filled sac that safely enfolds a growing mammal, reptile, or bird embryo. The amnion is thought to have allowed animals to come out of the sea onto land.
Industry:Biology
Ammonia-carbon acids that when strung together in long double-bonded chains (peptides) build proteins. The genetic code inscribed in DNA employs twenty of them.
Industry:Biology
Primarily marine organisms, single-celled or multicellular, that use chlorophyll to feed, like plants, but lack the roots, leaves, flowers, etc. Of true plants.
Industry:Biology
An energy-conserving lowering of metabolism, respiration, heart rate, and body temperature while the body survives on accumulated fat supplies. See Estivation.
Industry:Biology
Long proteins stretched into a triple helix to make strong structural fibers. They are found in hair, tendons, and about a fourth of the human body's protein.
Industry:Biology
Elements between lead and copper in terms of the Periodic Table. Too much lead, zinc, nickel, mercury, arsenic, copper, or cadmium in soil can damage plants.
Industry:Biology
A once-natural springtime thinning in stratospheric ozone over Antarctica, but now enlarged by CFCs and other pollutants into a hole the size of the Moon.
Industry:Biology
