Species & Ecology Vocabulary Crossword

12345678910111213141516171819202122232425
Across
  1. 1. organisms interacting with their physical environment
  2. 4. of or relating to living organisms
  3. 6. the total amount of living matter in a given unit of area
  4. 8. a group of organisms of the same species inhabiting an area
  5. 11. the act of preying by an animal that kills and eats the prey
  6. 13. that which has mass and occupies space
  7. 14. group of interdependent organisms living in the same region
  8. 16. an animal that feeds on both animal and vegetable substances
  9. 21. the assimilation of atmospheric nitrogen by soil bacteria and its release for plant use on the death of the bacteria
  10. 23. an organism that feeds on complex organic substances
  11. 24. the regions of the Earth where living organisms exist
  12. 25. a terrestrial or aquatic flesh-eating mammal
Down
  1. 2. the relation of two interdependent species of organisms
  2. 3. when one organism benefits from another without damaging it
  3. 5. when one organism benefits from another by causing damage
  4. 7. a major ecological community with distinct climate and flora
  5. 9. community of organisms where each member is eaten by another
  6. 10. any animal that feeds chiefly on grass and other plants
  7. 12. an organism capable of synthesizing its own food
  8. 15. study of the relations of organisms to their environment
  9. 17. status or place of an organism within its environment
  10. 18. the type of environment in which an organism normally lives
  11. 19. the relation between two organisms that benefit each other
  12. 20. any substance that can be metabolized to give energy
  13. 22. community of organisms with several interrelated food chains