Unit 5: Evolution

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Across
  1. 3. A permanent change in the DNA sequence of a gene or a chromosome; these can be beneficial, harmful, or neutral.
  2. 4. (Scientific Community) A group of scientists who collaborate, debate evidence, and work together to verify and confirm scientific knowledge.
  3. 6. The scientific theory that explains how the inherited traits of a population change over many generations.
  4. 10. Naturalist who went to the galapagos islands. Made the theory of evolution.
  5. 13. A species that no longer has any known living individuals on Earth.
  6. 15. (Natural _______) The process by which individuals that are better adapted to their environment are more likely to survive and reproduce, passing their traits to the next generation.
  7. 16. To state what one thinks will happen under specific conditions based on prior scientific knowledge, data, or experience.
  8. 17. The variety and number of different species of plants and animals in an individual ecosystem or on the entire Earth.
Down
  1. 1. A characteristic or trait that helps an organism survive and reproduce in its environment.
  2. 2. (Genetic ______) The differences in the DNA and inherited traits among individuals within a population.
  3. 5. The process of obtaining information about the world by using the five senses or scientific tools.
  4. 6. The cumulative body of observations or data of a natural phenomenon on which scientific explanations are based.
  5. 7. (Scientific ___) A statement that describes a consistent and universal relationship observed in nature; it describes what happens under certain conditions but does not explain why.
  6. 8. (Scientific ___) A well-supported and widely accepted explanation of some aspect of the natural world that is based on a large body of empirical evidence; it explains why or how a phenomenon occurs. [Image comparing a scientific law and a scientific theory, showing that one describes and the other explains]
  7. 9. Any individual living thing that can react to stimuli, reproduce, grow, and maintain homeostasis (such as an animal, plant, fungus, or bacterium).
  8. 11. A distinguishing quality or feature that identifies an individual or a species.
  9. 12. The way an organism acts in response to internal or external stimuli or its environment.
  10. 14. The remains, traces, or imprints of ancient organisms that have been preserved in the Earth's crust (usually in sedimentary rock).