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Natural Selection

natural selection the better adapted survive and reproduce
artificial selection breeding for certain traits
evolution change in species over time
species group of similar organisms that can mate and produce fertile offspring
scientific theory well tested concepts that explain observations
overproduction produce more offspring than can survive
struggle to survive some organisms survive but some don't
genetic variation organisms have different traits
selection organisms with adaptation for the environment survive and reproduce
Darwin's finches bird's beaks are different shapes and sizes based on climate and food source
peppered moths more moths were light but over time the darker moth population increased
rock pocket mice more mice were light but over time the darker colored mice population increased
survival of the fittest another term for natural selection
adaptation a change in an organism over time
variation must be present for natural selection to occur
mutation change in DNA; can be beneficial, neutral, or harmful
Created by: tmaddox