Relationship of organisms

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Across
  1. 2. Microorganism that change complex substances.
  2. 4. It is the relationship between a prey and a predator.
  3. 5. Relationships among living organism where they obtain their foods by living together.
  4. 6. In this relationship, both organisms benefit from the relationship.
Down
  1. 1. A relationship where an organism benefits from another without harming it.
  2. 3. A kind of hunter-prey relationship between a parasite and a host.