every biological system has

  • 1Biological classification — Scientific classification redirects here. For other uses, see Scientific classification (disambiguation) …

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  • 2biological weapon — Introduction also called  germ weapon        any of a number of disease producing agents such as bacteria, viruses (virus), rickettsiae (rickettsia), fungi (fungus), toxins (toxin), or other biological agents that may be utilized as weapons… …

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  • 3biological development — Introduction       the progressive changes in size, shape, and function during the life of an organism by which its genetic potentials (genotype) are translated into functioning mature systems (phenotype). Most modern philosophical outlooks would …

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  • 4Biological warfare — For the use of biological agents by terrorists, see bioterrorism. Weapons of mass destruction …

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  • 5system — noun 1 set of ideas/rules for organizing sth ADJECTIVE ▪ current, existing ▪ We re looking to replace the existing system. ▪ modern, new ▪ old fashioned …

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  • 6Biological interaction — Biological interactions are the effects organisms in a community have on one another. In the natural world no organism exists in absolute isolation, and thus every organism must interact with the environment and other organisms. An organism s… …

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  • 7Biological pigment — The Blue Morpho butterfly, native to Central America, derives its distinctive blue coloring from iridescence rather than from pigmentation. Biological pigments, also known simply as pigments or biochromes[1] are substances produced by living… …

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  • 8Biological issues in Jurassic Park — Jurassic Park , a book by Michael Crichton, with a film version directed by Steven Spielberg, revolves around the resurrection of dinosaurs via genetic engineering. Scientists and enthusiasts have brought up a number of issues with facts and… …

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  • 9endocrine system, human — ▪ anatomy Introduction  group of ductless glands (gland) that regulate body processes by secreting chemical substances called hormones (hormone). Hormones act on nearby tissues or are carried in the bloodstream to act on specific target organs… …

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  • 10immune system — Anat. a diffuse, complex network of interacting cells, cell products, and cell forming tissues that protects the body from pathogens and other foreign substances, destroys infected and malignant cells, and removes cellular debris: the system… …

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