Across
- 2. any microbe (virus, bacteria, fungus or organism) that can cause a disease
- 7. an infectious disease that can be transmitted or spread from one organism to another
- 8. a person who has some pathogen to which he is immune but who can pass it on to others
- 10. an organism that makes its own food
- 13. A form of technology that uses living organisms, usually genes, to modify products, to make or modify plants and animal
- 15. an outbreak of a disease that affects many people in an area
- 16. the struggle between individuals of the same or different species for food, space, light, etc.
- 17. The process by which cells obtain energy from glucose
- 19. organism whose cells contain nucleus
Down
- 1. a trait that helps an organism survive in a particular environment
- 2. single-celled organism lacking a nucleus; the class of cell that includes all bacteria
- 3. the process by which plants capture energy in sunlight and uses it to make food
- 4. organisms that cannot make their own food and must feed on other organisms for energy and nutrients
- 5. an epidemic that spreads over a large area, or throughout the world
- 6. a symbiotic relationship in which one organism benefits and the other is harmed
- 9. a symbiotic relationship between two organisms in which both organisms benefit
- 11. tiny one-celled organisms that lack a nucleus, some of which can cause diseases; come in three shapes (cocci, bacillus, and spirilia)
- 12. animal that carries pathogens from person to person
- 14. a tiny, nonliving particle that invades and then reproduces inside a living cell
- 18. an organism that lives on or in a host and causes it harm