Social Science Biology Acitivity

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Across
  1. 4. The process of taking in food and converting it into energy and other vital nutrients required for life
  2. 8. Tiny openings or pores in leaf that allow for gas exchange
  3. 9. Plants that derive their nutrition by feeding on insects and other organisms
  4. 10. Organisms that are found on wet and unused surfaces
  5. 11. A pigment that gives plants their green color
  6. 12. The interaction between algae and fungi from which lichen forms
Down
  1. 1. The process in which solar energy is trapped by chlorophyll to convert carbon dioxide and water to produce food
  2. 2. Living organisms that live and feed on dead and decaying organisms
  3. 3. Organisms that make their own food
  4. 5. An organism that lives on or in a host organism and gets its food from the host
  5. 6. An organism that eats other plants or animals for energy and nutrients
  6. 7. A substance that improves growth and productiveness of plants