biology 4

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Across
  1. 3. Conducted experiments that helped disprove spontaneous generation.
  2. 5. Maintenance of stable internal conditions in an organism.
  3. 7. Variety of life in the world or in a particular habitat.
  4. 9. Community of interacting organisms and their environment.
  5. 10. All chemical reactions involved in maintaining the living state of cells
Down
  1. 1. Preserved remains or impression of an ancient organism.
  2. 2. Trait that increases an organism's fitness.
  3. 4. Selection Mechanism of evolution proposed by Darwin.
  4. 6. Process by which species change over time.
  5. 8. Formation of new and distinct species in the course of evolution.