| A | B |
|---|
| day-to-day environmental conditions | weather |
| Long-term average of daily weather | climate |
| gasses holding heat in the atmosphere | greenhouse effect |
| Sun is always hidden from some part during the year | polar zones |
| The Sun is never overhead nor hidden during the year | temperate zones |
| Sun is always directly over some part during the year | tropical zone |
| all of the living organisms in an ecosystem | Biotic factors |
| all of the non-living factors in an ecosystem | abiotic factors |
| area where an organism lives | habitat |
| more than one organism seeking the same resource | competition |
| anything an organism needs to survive and reproduce | resource |
| one organism captures and eats another organism | predation |
| two different species live close together and interact with each other | symbiosis |
| Members of both species benefit/gain from the relationship | mutualism |
| One member benefits and the other is not helped or harmed | commensalism |
| One organism benefits by living on or within another while causing it harm | parasitism |
