Across
- 4. organisms that cannot make their own food
- 5. Organisms that make their own food
- 8. physical characteristics of an organism
- 10. father of modern genetics
- 12. The study of how living things interact with each other and their environment.
- 13. the site of ATP (energy) production
- 15. A tiny, nonliving particle that invades and then reproduces inside a living cell.
Down
- 1. organelle found in plants that captures the energy from sunlight and converts it into chemical energy
- 2. One organism benefits and the other is harmed
- 3. An organism's genetic makeup, or allele combinations.
- 6. main energy source that cells use for most of their work
- 7. Process that does not require oxygen
- 9. A nonliving part of an organism's habitat.
- 11. Respiration that requires oxygen
- 14. scientist who formulated a theory of evolution by natural selection