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Conservation biology

Noun 1. Branch of biology that deals with the study of the preservation, protection, or restoration of the natural environment, natural ecosystems, vegetation, and wildlife (dictionary.com) 2. The branch of biology that deals with the effects of humans on the environment and with the conservation of biological diversity. (The American Heritage® Dictionary of the English Language, Fourth Edition copyright ©2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company) 3. The scientific study of the nature and status of Earth’s biodiversity with the aim of protecting species, their habitats, and ecosystems from excessive rates of extinction and the erosion of biotic interactions. It is an interdisciplinary subject drawing on sciences, economics, and the practice of natural resource management....

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Contraction

/kənˈtrakSHən/ Noun, pl. contractions 1. (Science: physiology) A shortening or reduction in size, in connection with muscles contraction implies shortening and/or development of tension. (biology-online.org) 2. The process of becoming smaller. (Google Dictionary) 3. The process in which a muscle becomes or is made shorter and tighter. (Google Dictionary) (Medicine) 4. A strong and often painful shortening of the uterine muscles prior to or during childbirth. (wiktionary.org) 5. A distinct stage of wound healing, wherein the wound edges are gradually pulled together. (wiktionary.org)   Word origin: From Latin...

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Convolution

/ˌkänvəˈlo͞oSHən/ Noun 1. A coiling or rolling of an organ. (biology-online.org) 2. Specifically, a gyrus of the cerebral or cerebellar cortex. (biology-online.org) 3. A coil or twist, esp. one of many. (Google Dictionary) 4. A thing that is complex and difficult to follow. (Google Dictionary) 5. The shape of something rotating; a vortex. (wiktionary.org) Word origin: From Latin convolutus (“to roll together”), past participle of convolvere, from con- + volvere (“to...

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