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Bio 112 chp 24-25

QuestionAnswer
Darwin's "Origin of Species" 1)evidence of evolution 2)wasn't invented by him but ideas synthesized
Darwin sailed to the Galapagos Island on what ship? the Beagle
Charles Lyell 1)argues earth is extremely old 2)uniformitarianism
how do species generally evolve? change in allele frequencies in population
True or false: evolution changes population's individuals False; evolution changes characteristics
Malthus's theory population size is limited so therefore we fight for more resources
Ingredients for artificial selection 1)variation 2)always someone/thing controlling who breeds 3)if variation is heritable=changes
Natural selection 1)individuals vary in trait 2)some variations are heritable 3)some traits are for good; some are not beneficial
Adaptation and fitness only apply to particular enviroment
Adaptation heritable traits better suited for a particular enviroment
An example of natural selection bacteria
sexual selection 1)subsection of natural selection 2) solely based on attraction and competition as a means to get mate
True or False: Sexual selection is for survival false, just for reproduction
Created by: 100001061295668
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