Biology Crossword Puzzle

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Across
  1. 3. All of the organisms that live within a habitat
  2. 5. all the individuals of a species living within a specific area
  3. 7. The process where plants convert sunlight into energy to produce sugars and oxygen
  4. 10. A gas produced by plants during photosynthesis that animals use for respiration
  5. 12. The process by which a population becomes better suited to its environment
  6. 13. Community of living organisms interacting with each other and their nonliving environment within a specific area
Down
  1. 1. A green pigment found in plants, aiding photosynthesis
  2. 2. A plant's growth response to gravity
  3. 4. Small structures within a cell, often called the "powerhouse of the cell"
  4. 6. When a plant bends in the direction of light
  5. 8. The process of increasing in size and maturity
  6. 9. A self contained living thing
  7. 11. Energy-carrying molecule found in the cells of all living things