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15 Cards in this Set

  • Front
  • Back
an individual living thing, made up of one or more cells
organism
all the chemical reactions taking place within an organism
metabolism
close association between members of two or more species
symbiosis
descent of modern species of organisms from somewhat different ancestral species; change in the genepool of a population from generation to generation
evolution
differential reproduction among the various genotypes in a pupulation; enhances reproductive success
natural selection
the agent of natural selelction
selective pressure
process by which populations evolve to become suited to their environments over the course of generations
adaptation
involve orgranisms physical structure
anatomical adaptation
involve all of the internal workings of organisms body
physiological adaptation
a logical way of answering questions about cause and effect; observations, hypotheses, experimentation
scientific method
contain no real part of experiment
control treatments
contains part of experiment being looked at
experimental treatment
error due to using a relatively small number of subjects
sampling error
hypothesis supported by many different lines of evidence from repeated experiments
theory
reliable associations between 2 events
correlations