Q3 - Ecosystems Vocabulary

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Across
  1. 3. a living thing in an ecosystem, such as a plant, an animal, or a bacterium
  2. 8. water that falls from clouds to the ground in the form of rain, sleet, hail, or snow
  3. 10. the continuous circulation of nitrogen from air to soil to organisms and back to air or soil
  4. 13. the ability to do work or change something
  5. 14. animals that are eaten by other animals
  6. 16. an organism that cannot make its own food
  7. 20. a process through which a liquid changes into a gas
  8. 24. the movement of energy from one organism to another in a food chain or food web
  9. 25. the continuous exchange of carbon dioxide and oxygen among living things
  10. 27. a place where plants and animals live
  11. 28. an animal that hunts other animals for food
  12. 29. the gases that surround Earth
  13. 30. the tissue through which food from the leaves moves throughout the rest of the plant
Down
  1. 1. the part of Earth in which living things exist and interact
  2. 2. an organism that is introduced to a new ecosystem and causes harm
  3. 4. a type of single cell organism
  4. 5. an organism that breaks down dead plant and animal material
  5. 6. pores in the bottom of leaves that open and close to let in air or give off water vapor
  6. 7. the path that energy and nutrients follow among living things in an ecosystem
  7. 9. the release of water vapor through the stomata of a plant
  8. 11. excess water that flows over Earth's surface from a storm or flood
  9. 12. Earth's water, whether found on land or in oceans, including the freshwater found underground and in glaciers, lakes, and rivers
  10. 15. the plant tissue through which water and minerals move up from the roots
  11. 17. the overlapping food chains in an ecosystem
  12. 18. plant-like organisms that get energy from other organisms which may be living or dead
  13. 19. the layers of solid and molten rock, dirt, and soil on Earth
  14. 21. a nonliving part of an ecosystem
  15. 22. the process through which a gas changes into a liquid
  16. 23. an organism that uses energy from the Sun to make its own food
  17. 26. the continuous movement of water between Earth's surface and the air, changing from liquid into gas into liquid