Unit 4. Grouping and Identifying Organisms

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Across
  1. 3. A tool used by scientists to study viruses.
  2. 6. An extremely small piece of material that causes disease in humans, animals, and plants.
  3. 7. Feeding; taking in nutrients to provide energy and materials for growth.
  4. 8. Part of a virus that tells other cells to make more viruses.
  5. 9. A hybrid animal of a male lion and a female tiger.
  6. 13. Breaking down food to release energy that the organism can use.
  7. 15. Detecting changes in the environment
  8. 16. A hybrid animal of a male tiger and a female lion.
  9. 17. When viruses … they have to get inside a living cell before they can make copies of themselves.
  10. 19. Getting rid of waste materials, such as carbon dioxide.
  11. 20. A disease caused by the influenza viruses.
Down
  1. 1. A permanent increase in size
  2. 2. Viruses are not made of … because they do not have a membrane or cytoplasm.
  3. 4. A scientific word for 'children.'
  4. 5. A type of viruses that looks like a crown.
  5. 10. Not all the organisms in a species … to each other although they look similar.
  6. 11. Making more organisms of the same species.
  7. 12. When organism is … this means it can produce children.
  8. 14. Changing the position of all or part of the body.
  9. 18. Indian elephants … only with other Indian elephants. They do not … with African elephants.