science

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Across
  1. 3. an organism that obtains food from an outside source.
  2. 7. a unicellular microorganism without a distinct nucleus.
  3. 8. a plant with an embryo and two cotyledons
  4. 10. an organism that produces its own food
  5. 11. a vascular plant that bears flowers and fruit
  6. 12. the science of classifying organisms.
Down
  1. 1. an organism composed of one or more cells containing a visible nucleus and organelles.
  2. 2. a plant with an embryo and one cotyledon.
  3. 4. the positive or negative reaction of a plant to a stimulus
  4. 5. having a system of tubes to transport.
  5. 6. nomenclature, a two-part naming system that consist of genus and species
  6. 9. a vascular, cone-bearing plant whose seeds are not enclosed.