BIO_SC 1010 Chapter Notes - Chapter 1: Plant, Extraterrestrial Life, Prokaryote

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7 Oct 2016
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Accumulating facts is not the primary goal of science. New theories that tie together observations are what advance science. Great scientists stand out because their work covered a broad variety of science. Theory: a comprehensive explanation supported by abundant evidence, general enough to form many testable hypotheses. A theory is broader in scope than a hypothesis. Theories are only widely accepted if they are supported by extensive evidence. Order: all living things exhibit complex but ordered organization. Regulation: the organism can adjust its internal environment, keeping it within limits. Growth and development: dna controls the pattern of growth and development in all organisms. Energy processing: organisms take in energy and use it, emitting energy as heat. Response to the environment: all organisms respond to environmental stimuli. Reproduction: organisms only reproduce their own kind. Evolution: reproduction underlies the capacity of populations to change over time. Extra-terrestrial life can probably be identified by the same signs.

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