Topic 1 Lesson 3 Vocabulary

1234567891011
Across
  1. 6. when two bacteria cells come together and exchange genetic material
  2. 7. single-celled organisms (prokaryotes) that lack a nucleus
  3. 8. organisms that benefit from living with, on, or in a host
  4. 10. an organism that provides a source of energy or a suitable environment for a virus to live
  5. 11. organism that can make its own food
Down
  1. 1. organism that must find its food
  2. 2. organism that absorbs nutrients from decaying organisms
  3. 3. substance used in vaccination that consists of pathogens that have been weakened or killed but can still trigger the body to produce chemicals that destroy the pathogens
  4. 4. fission asexual reproduction of bacteria
  5. 5. tiny, nonliving particle that enters and then reproduces inside a living cell
  6. 8. eukaryotic organism that cannot be classified as animals, plants, or fungi
  7. 9. not affected, harmed, or destroyed by something