Biosphere Crossword

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Across
  1. 3. a geographic area that has similar ecosystems and climates
  2. 6. these animals have incisors, canine teeth, and flat molars because they eat both plants and animals
  3. 7. the new material that is formed in a chemical reaction
  4. 10. interaction between species that results as a benefit for both
  5. 11. organism that gets its food by eating other organisms because it cannot make energy rich food molecules
  6. 12. species living in the same place at the same time together
  7. 13. something that controls the size of the population
  8. 14. a group of organisms that only reproduce with other members of their group
  9. 19. these animals only eat plants and have large premolars and molars for eating them
  10. 20. the first species to settle in undisrupted or new lands
  11. 22. animal that eats only already dead animals or plant material
  12. 23. a change that is either behavioral or structural and helps a living thing survive in its environment
  13. 26. when a body of water becomes full of nutrients
  14. 27. natural features of the environment that are nonliving
  15. 29. these animals only eat other animals and have sharp canine teeth and strong jaw muscles for eating the animal’s flesh
  16. 30. one organism is harmed and the other profits in this type of symbiotic relationship
  17. 31. an ecosystem containing groups of various species
Down
  1. 1. alive or once alive parts of the environment
  2. 2. the way one ecological society morphs into another over time
  3. 4. process by which plants and other producers make a simple sugar using light energy, water, and carbon dioxide to give out oxygen
  4. 5. organism that uses a source of energy to make energy rich food molecules
  5. 8. process where energy is released from food molecules by consumers and producers
  6. 9. maximum quantity of a species that can be sustained by the environment
  7. 15. all of the nonliving features and the living organisms of the environment
  8. 16. how a species connects with nonliving and living factors to get what it needs
  9. 17. one animal preying on another animal
  10. 18. the material that reacts during a chemical reaction
  11. 21. any part of Earth that has living things or can support living things
  12. 24. one organism is unaffected while the other organism benefits in this type of symbiotic relationship
  13. 25. a close relationship that is between species
  14. 28. anywhere that an animal makes its home