Interactions in the Environment

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Across
  1. 3. a basic need for life that animals indirectly gain energy from
  2. 4. provides organisms with nutrients
  3. 7. are eaten by carnivores (2 words)
  4. 11. the animal that is hunting
  5. 13. succession that develops a community in an area after it has been disturbed (2 words)
  6. 14. non-living
  7. 15. living
  8. 17. an animal that hunts other animals for food
Down
  1. 1. an interaction between individuals of different species that benefits both individuals
  2. 2. the interactions among the biotic and abiotic parts of an environment
  3. 5. succession that develops a community of plants and animals in an area where no living things existed before (2 words)
  4. 6. a sequence that shows how energy and nutrients are transferred from one organism to another in an ecosystem (2 words)
  5. 7. a form of symbiosis in which one organism benefits at the expense of another organism usually of different species
  6. 8. are consumed by herbivores
  7. 9. a relationship in which one organism benefits while causing no harm to the other
  8. 10. occurs when more than one organism tries to obtain the same basic resources in the same habitat
  9. 12. is made up of many gases, including oxygen, carbon dioxide, and nitrogen
  10. 13. a series of gradual changes that result in the replacement of one community of plants and animals by another
  11. 16. a substance needed to survive
  12. 17. the animal that is hunted