| A | B |
|---|
| Prokaryotic | Cell lacking a nucleus and most other organelles. (Bacteria) |
| Eukaryotic | Cells that contain a nucleus and organelles. (All cells except bacteria) |
| Heterotroph | An organism that cannot make its own food, so eats other organisms. |
| Autotroph | An organism that makes its own food |
| Haploid | having only one set of chromosomes (# in sperm and egg). 1n |
| Diploid | two sets of chromosomes (# in body cells). 2n |
| Biotic factor | Living part of the ecosystem (i.e. plant) |
| Abiotic | Non-living part of the ecosystem (i.e. rock) |
| Homeostasis | The maintenance of a stable internal environment |
| Photosynthesis | CO2 + H2O + energy --> C6H12O6 + O2 |
| Respiration | C6H12O6 + O2 --> CO2 + H2O + energy |
