| A | B |
|---|
| the scientific study of interactions among organisms and beetween organisms and their environment | Ecology |
| Non-living factors in the enviornment that have an impact on living things | Abiotic factors |
| The living part of the enviornment that has an effect on other living things. | Biotic factors |
| An individual living thing | Organism |
| a group of indivudials that belong to the same species and live in the same area. | Population |
| groups of different populations that live togther in the samea area | Biological Community |
| a collection of all the organisms that live in a particular place along with their non-living, or abiotic environment | Ecosystem |
| Portion of the earth that supports life | Biosphere |
| an interaction in which one organsim captures and feeds on another | Predation |
| a relationship where two species live closesly together | symbiosis |
| when both species benefit from a symbiotic relationship | mutualism |
| when one member of a symbiotic relationship benefits and the other member isn't helped or harmed | commensalism |
| when one organism lives on or inside another organism and harms it. | parasitism |
| When plants convert nitrogen gas into ammonia | Nitrogen fixation |
| rain or snow fall from the atmosphere to the earth | Precipitation |
| water seeps into the ground and plants use it | Seepage |
| plants give off water to the atmosphere | Transpiration |
| extra water runs off the land to lower-lying bodies of water | Runoff |
| liquid water turns to vapor off of large bodies of water back into the atmosphere | Evaporation |
| organisms that can make their own food from a non-living energy source (ex. sunlight) | Producers |
| organisms that can make their own food from a non-living energy source (ex. sunlight) | Autotrophs |
| Organisms that rely on orther organsims for their energy and food supply | Consumers |
| Organisms that rely on orther organsims for their energy and food supply | Heterotrophs |
| Organisms that obtain energy by eating just plants | Herbivores |
| Organisms that get their energy from eating other animals | Carnivores |
| Organisms that get their energy from eating both plants and animals | Omnivores |
| Organisms that get their energy from eating dead organisms | Detritivores |
