Studied by 3 people
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Charles Darwin
Religion major, naturalist on the Beagle, proposed natural selection
Galapagos Finches
Birds studied by Darwin, showed adaptation to different environments
Taxonomy
Classification system for living things, established by Darwin
Natural Selection
Process where certain traits aid survival and reproduction, proposed by Darwin
Variation
Differences among species members, often genetic
Selection
Process guiding evolution by favoring certain features
Retention
Preservation of favored variations through heredity
Jean Baptiste Lamarck
Proposed theory of acquired characteristics passed on
Epigenetics
Changes in gene function without altering DNA sequence
Imprinting
Critical period for attachment and identity development in animals
Altruism
Selfless behavior evolved for increased survival chances
Sociobiology
Study of biological aspects of social behavior in animals and humans
Reproductive Strategies
Monogamy, polygamy, and parental investment in sociobiology
Sexual Selection
Natural selection for traits related to mating success
Monogamy
One partner reproductive strategy with increased parental investment
Polygamy
Multiple partners reproductive strategy with decreased parental investment
Intrasexual Selection
Competition for mates within a species
Intersexual Selection
Visual displays to attract mates across species
