Evolution
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| A well-tested explanation that unifies a broad range of observations | theory
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| The ability of an organism to survive and reproduce in its environment | fitness
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| Principle that all living things have a common ancestor | common descent
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| Selection conducted by humans for breeding organisms with useful traits | artificial selection
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| The amount of time it takes 1/2 of the parent element to decay into the daughter element. | half-life
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| A group of organisms that has the ability to reproduce and have fertile offspring. | species
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| A group of organisms that is made up of members from the same species. | population
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| A change in the genetic make-up of an organism over time, leading to a diversity among organisms. | evolution
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| Scientist who used his findings to formulate the theory of Natural Selection. | Charles Darwin
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| Process by which the survival and reproduction of a population is determined by those best suited for the environment. | natural selection
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| Individuals with the best _________, survive and reproduce | genes (which code for traits, and thus adaptations).
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| Any structure or behavior that allows an organism to better respond to the environment. | adaptation
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| __________ is the basis of evolution. | Genetics
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| Genetically diverse populations are MORE/LESS likely to survive. | MORE
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| Process by which new species arise. | speciation
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| Characteristics that are similar in function and structure; likely came from the SAME ancestor. | Homologous structures
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| Characteristics that are similar in function but dissimilar in structure; likely did NOT come from the same ancestor. | Analogous structures
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| Scientist whose view of evolution is no longer considered valid. | Lamarck
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| Lamarck suggested that organisms pass on traits they ________________ during their lifetime to their offspring. | acquired/developed
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| Similarities between species which protects at least one of the two species. | mimicry
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| Structures in modern organisms that are no longer functional, but were likely functional in their ancestors. | vestigial organs
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| Diagrams that show evolutionary relationships among different organisms. | cladograms
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| The two main goals of living organisms are to __________________ & ________________. | survive, reproduce
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| Two things that adaptations depend on include: | rate of reproduction and environmental pressures
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| Related organisms that have developed different traits over time. | divergent evolution
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| Unrelated organisms that have developed similar traits over time. | convergent evolution
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Created by:
Ms_Tacy
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