activity of organisms

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• List of long-living organisms — This list is incomplete; you can help by expanding it. This is a list of the oldest individual lifeforms. This is usually defined as: Having a longer life span than any other known individual (such as the Methuselah tree) Longevity record holders …   Wikipedia

• Experiments in the Revival of Organisms — is a 1940 motion picture which documents Soviet research into the resuscitation of clinically dead organisms (YouTube item cEcUTMpyRLY). It is available from the Prelinger Archives, where it is in the public domain. The British scientist J. B. S …   Wikipedia

• Sedimentary rock — Middle Triassic marginal marine sequence of siltstones (below) and limestones (above), Virgin Formation, southwestern Utah, USA Sedimentary rock are types of rock that are formed by the deposition of material at the Earth s surface and within… …   Wikipedia

• biogenic landform — ▪ geology       any topographic feature that can be attributed to the activity of organisms. Such features are diverse in both kind and scale. Organisms contribute to the genesis of most topography involving rock weathering, although the role… …   Universalium

• Drug discovery — In the fields of medicine, biotechnology and pharmacology, drug discovery is the process by which drugs are discovered and/or designed. In the past most drugs have been discovered either by identifying the active ingredient from traditional… …   Wikipedia

• Serine protease — Serine Peptidase Crystal structure of bovine chymotrypsin. The catalytic residues are shown as yellow sticks. Rendered from PDB 1CBW. Identifiers …   Wikipedia

• Clastic rock — A thin section of a clast (sand grain), derived from a basalt score. Vesicles (air bubbles) can be seen throughout the clast. Plane light above, cross polarized light below. Scale box is 0.25 mm Clastic rocks are composed of fragments, or clasts …   Wikipedia

• electrophysiology — noun The branch of physiology that studies the electrical activity of organisms …   Wiktionary

• abiogenic — adjective Of chemicals, not produced by means of biochemical activity of organisms while alive …   Wiktionary

• co|op|er|a|tion — «koh OP uh RAY shuhn», noun. 1. the act of working together; united effort or labor: »Cooperation can accomplish many things which no individual could do alone. But cooperation with others to achieve a common good is also strongly satisfying to… …   Useful english dictionary

• homoiotherm — organisms maintaining a constant internal temperature, usually above that of their environment. Some oceanic fishes attain temperatures above their surroundings due to muscular activity, control of a surficial vascular network and a small ratio… …   Dictionary of ichthyology