| A | B |
|---|
| competition | a struggle |
| population | one species |
| abiotic factors | non-living |
| mutualism | both benefit |
| carrying capacity | supported population |
| ecosystem | living and nonliving |
| species | physically similar organisms |
| limiting factors | prevent ovepopulating |
| commensalism | only one benefits |
| community | all different populations |
| sampling | large population estimation method |
| niche | organisms ecosystem role |
| adaptations | diffrent ways to live in the environment |
| predation | kill and eating interaction |
| habitat | an organism's home |
| photosynthesis | pren plant energy producer product |
| ecology | living things in an area |
| immigration | moving into a population |
| emigration | moving out of a population |
| population density | number living in an area |
| natural selection | organism changes with the environment |
| prey | killed by the predator |
| parasitism | harmful organism living inside host |
| black plague | caused world population decrease |
| industrial revolution | caused world population increase |
