Ecology

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Across
  1. 1. link trophic levels from producers to top carnivores
  2. 4. the scientific study of the interactions between organisms and the environment
  3. 7. a the position an organism occupies in a food chain
  4. 8. factors that make up the living component of the environment
  5. 11. the feeding relationships between organisms in a community
  6. 13. consumers that are carnivores that feed on other carnivores
  7. 14. species that are most abundant or have the highest biomass
  8. 16. one organism, the parasite, derives nourishment from another
  9. 17. Parasites that live within the body of their host
  10. 19. the nonliving chemical and physical attributes of the environment
  11. 20. carnivores
Down
  1. 1. a branching food chain with complex trophic interactions
  2. 2. autotrophs that make all the food for the ecosystem
  3. 3. Parasites that live on the external surface of a host
  4. 5. an interaction in which an herbivore eats parts of a plant or alga
  5. 6. an interspecific interaction that benefits both species
  6. 9. herbivores
  7. 10. this species exert strong control on a community by their ecological roles
  8. 12. one species benefits and the other is neither harmed nor helped
  9. 15. the role an organism plays in an ecosystem
  10. 18. refers to an interaction in which one species kills and eats the other, the prey