Chapter 2 Vocab

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Across
  1. 2. Organisms that can make their own food by using light or chemical energy
  2. 3. Organisms that are unable to make their own food
  3. 7. The total weight of organisms in a given area or volume
  4. 10. Organisms that break down and absorb nutrients from dead and decaying organic matter
  5. 11. A community of interacting organisms and their environment
  6. 13. The status of an organism within its environment also affecting its survival as a species
  7. 14. factors All the living organisms that inhabit the earth and shape its ecosystem
  8. 17. Interbreeding individuals of one species that compete with one another and live in the same place, same time
  9. 18. The natural home or environment of an animal, plant, or other organism
Down
  1. 1. An association in which one species benefits and the other species is neither harmed nor helped
  2. 2. factors Nonliving parts of the environment
  3. 4. Represents a feeding step in the transfer of energy and matter in an ecosystem
  4. 5. Close association between organisms of different species
  5. 6. An association in which one species benefits at the expense of the other species
  6. 8. community Interacting organisms living together in a habitat
  7. 9. Study of interactions between organisms and their environments
  8. 12. An association which is beneficial to both species
  9. 15. web A system of interconnected food chains
  10. 16. The parts of the earth and its atmosphere that are capable of supporting life