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Evolution Concept Map (Evolution Vocab (Microevolution: Change in allele…
Evolution Concept Map
Evolution Vocab
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Survival of the Fittest: A natural process resulting in the evolution of organisms best adapted to the environment.
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Adaptive Radiation: evolution from a common ancestor of many species adapted to diverse environments
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Fossil Record: information about past life, including the structure of organisms, what they ate, what ate them, in what environment they lived, and the order in which they lived
Microevolution
occurs over short periods of time, like from one generation to the next
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Evolution Vocab
Homologous Structure: structures that have different mature forms in different organisms but develop from the same embryonic tissues
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Analogous Structure: body part that is similar in function as a body part of another organism but is structurally different
Evolution Vocab
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Adaptation: A characteristic that improves an individual's ability to survive and reproduce in a particular environment.
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Artificial Selection: Breeding organisms with specific traits in order to produce offspring with identical traits.
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Natural Selection: A natural process resulting in the evolution of organisms best adapted to the environment.
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Intro to evolution
Population is a group of individuals of the same species that live in the same area and reproduce with one another
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Mechanisms
Natural Selection
Occurs because there is variation, heredity, and the environment cannot sustain unlimited population growth.
Genetic Drift
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unlike natural selection, an advantageous trait is not necessarily being selected for.
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Mutation
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Random (beneficial, harmful, neutral)
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Fossil Evidence
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Transitional form: organisms that show the intermediate states between and ancestral form and that of its descendants
Homologous VS. Analogous
Homologous
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characters in different organisms that are similar because they were inherited from a common ancestor that also had that character
Analogous
Have separate evolutionary origins, but are superficially similar because they have both experienced natural selection that shaped them in a similar way
Convergent evolution: process in which two distinct lineages evolve a similar characteristic independently of one another
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Sexual Selction
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Sexual selection is often powerful enough to produces features that are harmful to the individual's survival
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