Chapter 10: The Principals of Evolution
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Evolution | the process of biological change by which descendants come to differ from their ancestors
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| Species | a group of organisms that are closely related and can mate to reproduce fertile offspring
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| Fossil | traces of organisms that existed in the past
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| Catastrophism | states that natural disasters such as flood and volcanic eruptions have happened often during Earth's long history
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| Gradualism | principle that states landforms resulted from slow changes over a long period of time
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| Uniformitarianism | states that geologic process that shape Earth are uniform through time
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| Variation | the difference in the physical traits of an individual from those of other individuals in the group to which it belongs
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| Adaptation | a feature that allows an organism to better survive and reproduce in its environment
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| Artificial Selection | process by which humans change a species by breeding it for certain traits
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| Heritability | the ability of a trait to be passed down from one generation to the next
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| Natural Selection | a mechanism by which individuals that have inherited beneficial adaptations show different reproductive success
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| Population | all the individuals of a species that live in an area
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| Fitness | a measure of the ability to survive and produce more offspring relate to other members of the population in a given environment
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| Biogeography | the study of the distribution of organisms around the world
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| Homologous Structure | features that are similar in structure but appear in different organisms and have different functions
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| Analogous Structure | structures that perform a similar function but are not similar in origin
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| Vestigial Structure | remnants of organs or structure found in an early ancestor that no longer serve an useful function or may now serve a different function
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| Paleontology | the study of fossils or extinct organisms
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Created by:
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