Animal Relationships

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Across
  1. 1. an animal that is hunted and killed by another for food.
  2. 3. an animal that naturally preys on others.
  3. 6. symbiosis that is beneficial to both organisms involved.
  4. 7. interaction between two different organisms living in close physical association, typically to the advantage of both.
  5. 8. physical rather than biological; not derived from living organisms.
Down
  1. 1. the practice of living as a parasite in or on another organism.
  2. 2. association between two organisms in which one benefits and the other derives neither benefit nor harm.
  3. 4. interaction between organisms, populations, or species, in which birth, growth and death depend on gaining a share of a limited environmental resource.
  4. 5. relating to or resulting from living things, especially in their ecological relations.
  5. 9. tending to spread prolifically and undesirably or harmfully.