| A | B |
|---|
| Mortality | deaths |
| Natality | births |
| Immigration | Moving into an area |
| Emigration | Moving out of an area |
| Sampling | Estimating the size of a population |
| Distribution pattern | How organisms are arranged in an area - random, clumped, or uniform |
| Limiting factors | Anything that limits the size of a population - food, space, air, climate |
| Carrying capacity | The maximum amount of organisms an area can sustain |
| Predator | An organism that eats another organism |
| Prey | The organism that gets eaten |
| Carnivore | Eats another animal |
| Herbivore | Eats plants |
| Evolution | Organisms changing over time |
| Density | The amount of organisms in a given area |
| Chemical energy | Energy stored in chemicals - made by plants |
| Thermal energy | Heat energy |
| Mechanical energy | Energy generated by machines |
| Control | Varables that stay the same |
| Decomposer | Breaks down dead organisms |
| Biodegradable | Able to be decomposed |
| Water and sunlight | Necessary for decomposition |
| Trophic level | Levels of food chains/webs/pyramids |
| Producer | Trophic level with the greatest amount of energy, biomass and least amount of toxin |
| Tertiary consumer | Trophic level with the least amount of energy, biomass and greatest amount of toxin |
| Organic | Any molecule that contains carbon |
| Respiration | Breaks down sugar and produces carbon dioxide and water |
| Carbon cycle | Shows the cycling of sugar and oxygen into carbon dioxide and water between photosynthesis and respiration |
| pH | Amount of acid or base - acid has a low pH, base a high pH |
| Biomass | Mass of all living things in an area |
