| A | B |
| organism | a living thing |
| life cycle | all the stages a living thing goes through |
| microscopic | too small to be seen with the eyes alone |
| metamorphosis | major changes in the body form of an animal during its life cycle |
| direct development | a kind of growth in which an organism gets larger but doesn't go through other changes |
| trait | a characteristic that makes one organism different from another |
| pollination | bringing pollen from one flower to another |
| heredity | the process by which traits are passed from parents to offspring |
| gene | the basic unit of heredity |
| acquired characteristics | traits you get |
| inherited characteristics | traits you're born with |
| learned characteristics | traits you have been taught |