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