UCLA Anthro 1 Midterm 1 Questions and
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Natural Selection
Ans: Evolution by variation and selective retention
Morphology
Ans: an organism's size, shape, and composition
Stabilizing Selection
Ans: Selection required to change a population and then keep it the
same for future generations
species
Ans: dynamic population of individuals
individual selection
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Ans: adaptation results from the competition among individuals
continuous
Ans: grade slowly from one extreme to another
discontinuous
Ans: several distinct types exist with no intermediates
convergence
Ans: evolution of similar adaptations in unrelated species
blending inheritence
Ans: mother and father contribute a hereditary substance that mixes
Copernicus
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Ans: (1473-1543) Believed sun is center of the universe
Galileo
Ans: (1564-1643) Use of quantitative experiments and precise
measurement
Newton
Ans: (1643-1727) Earth and other celestial beings governed by same laws
of nature - physics
Age of Exploration
Ans: Time period during the 15th and 16th centuries when Europeans
searched for new sources of wealth and for easier trade routes to China
and India. Resulted in the discovery of North and South America by the
Europeans.
Lyell
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Ans: (1797-1875) British geologist who believed in geographical
uniformitarianism
Law of Uniformitarianism
Ans: the idea that the same processes we see occurring now also
occurred in the past
Law of Stratigraphic Superposition
Ans: sedimentary laters are deposited in sequence, oldest on the
bottom, youngest on the top
Georges Couvier
Ans: (1769-1832) French naturalist and zoologist who compared fossils
with living species. Established extinction and proposed idea of
catastrophic extinction
catastrophic extinction