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Evolution Review

Science 7 - Olshan

TermDefinition
Adaptation A characteristic that helps an organism survive in its environment or to reproduce
Species A group of similar organisms whose members can mate with one another and produce fertile offspring.
Natural Selection The PROCESS by which individuals that are better adapted to their environment are more likely to survive and reproduce than other members of the same species.
Homologous Structure Body parts that are structurally similiar in related species
Evolution Gradual change in a species OVER TIME
Theory Widely accepted explanation based on years of research, experimentation and large amounts of evidence.
Gene Section of DNA that controls a specific trait.
Charles Darwin After travelling around the world on the HMS Beagle, he spent over 20 years gathering evidence for his Theory of Natural Selection
TRUE OR FALSE? There is very little evidence for the Theory of Evolution False
TRUE OR FALSE? Another name for the Theory of Natural Selection is "Survival of the Fittest". True
TRUE OR FALSE? The more closely related two species are, the more similar their DNA. True
TRUE OR FALSE? Over time, the adaptations that are helpful to a species are LESS likely to show up in the offspring. False
TRUE OR FALSE? Charles Darwin traveled to the Hawaiian Islands during his voyage on the HMS Beagle. False
TRUE OR FALSE? Charles Darwin lived during a time when most people knew about and accepted the idea of evolution. False
TRUE OR FALSE? Fossils are evidence for the Theory of Evolution. True
TRUE OR FALSE? Homologous structures are evidence for the Theory of Evolution. True
TRUE OR FALSE? Similarities in Early Development are evidence for the Theory of Evolution. True
TRUE OR FALSE? Similarities in DNA are evidence for the Theory of Evolution. True
Created by: carozza
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