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| the scientific extension of this human tendency to feel connected to and curious about all forms of life |
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| the living world has a hierarchial organization extending from molecules to the biosphere. With each step upward in organization level, novel properties emerge as a result of interactions among components at the lower level |
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cells are every organism's basic unit of structure and function.
2 types: prokaryotic (bacteria and achaea) and eukaryotic (protists, plants, fungi, and animals) |
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| continuity of life depends on the inheritance of biological info. in the form of DNA molecules. This genetic info. is encoded in nucleotide sequences of DNA |
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| form and function are correlated at all levels of biological organization |
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| Interaction with Environment |
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| organisms are open systems that exchange materials and energy with their surroundings. An organism's environment includes other organisms as well as nonliving factors. |
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| Feedback mechanisms regulate biological systems. in some cases, the regulation maintains homeostasis, a relatively steady state for internal factors like body temp. |
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| grouped into 3 domains: Bacteria, Archaea, and Eukarya. Use unity as inversal genetic code. The more closely related two species are, the more characteristics they share. |
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| biology's core theme; explains both unity and diversity of life. Darwinain thory of natural selection accounts for adaptation of populations to their environment through the differential reproductive success of varying individuals. |
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| THe process of science includes obervation- based discovery and the testing of explanations through the hypothetic-0 deductive method. Scientific credability depends on the repeatability of observations and experiments |
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| Science, technology, and society |
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| many technologies are goal-oriented applications of science. the relationships of science and technology to society are now, more crucial to understand than ever before. |
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