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8.L.4 Evolution

8.L.4, evolution, natural selection

evolution how living things change over a long time
genetics the study of how characteristics of living things are transmitted from one generation to the next
adaptation evolutionary process where an organism becomes better suited to its habitat over time
variation something slightly different from others of the same type (example: green eyes and blue eyes)
homologous body parts on two different organisms that have similar structure and position on the body because of a common ancestor (arms of person and front legs of a horse)
analogous two organisms having similar body parts because were needed since they lived similar lives (example: bee wings and hummingbird wings) They do not have a common ancestor.
embryological branch of biology that deals with the formation, early growth and development of living organisms
taxonomy grouping of things by their common traits
natural selection process where animals adapt to their environment in order to survive (survival of the fittest)
domain All organisms are grouped into three large groups using things they have in common (Groups are: Bacteria, Archaea, and Eukarya)
Created by: lee.wright