| A | B |
| weather | day to day condition |
| climate | year after year condition |
| greenhouseeffect | heat trapped by gases |
| polar | cold climate zone |
| temperate | climate zone that ranges cold to hot |
| tropical | climate zone that's always warm |
| rises | warm air does this |
| sinks | cold air does this |
| biotic | living factors in an ecosystem |
| abiotic | nonliving factors in an ecosystem |
| habitat | where an organism lives |
| niche | an organisms job in its habitat |
| resource | necessity of life |
| predator | an organism that does the killing in a relationship |
| prey | organism that is killed in a relationship |
| mutualism | both species benefit |
| commensalism | one organism benefits, one is not helped or harmed |
| parasitism | one organism is helped and one is harmed |
| primarysuccession | this occurs after a volcanic eruption |
| secondary | succession that restores an ecosystem to its original state |
| pioneerspecies | first species that appears in ecological succession |