| A | B |
|---|
| acid rain | rain that is unusually acidic because of pollution caught inside the water from the air |
| strip cropping | raising two ore more crops in a field together using alternating rows of crops side by side |
| biodiversity | a measurement of the number of different species in an area |
| clear cutting | the logging process of cutting down ALL the trees in an area |
| climate change | any difference from normal climate patterns (recently human caused) |
| conservation | the protection and management of biodiversity |
| crop rotation | growing different crops in sequential growing seasons to keep crops and soil more healthy and productive than raising only one crop in the same area |
| deforestation | cutting down most or all the trees in a forest (small or large area) |
| endangered species | a species that has so few members living it could become extinct soon |
| erosion | the washing away of land |
| extinction | the death of all members of a species on Earth |
| fishery | an area with a large population of a species on earth (natural or man made) |
| fossil fuel | any fuel made from carbon deposits buried from previous life (nonrenewable) |
| greenhouse gas | any gas that contributes to the greenhouse effect (keeping heat inside the earth's atmosphere) |
| habitat destruction | the loss of a natural habitat because of human action |
| habitat fragmentation | the breaking of a habitat size into smaller isolated sections |
| keystone species | a species that influences the survival of any other species in an ecosystem |
| monoculture | raising just one crop in an area |
| multiple cropping / multicropping | growing two or more crops in the same space in a single growing season |
| nonrenewable resource | a natural resource that is not replaceable after it's used in a short amount of time |
| poaching | the illegal killing and removal of a protected wildlife species |
| pollution | anything added to an environment that has a negative effect on life |
| recycling | the process of using abandoned materials to create new ones |
| reforestation | the replanting of trees to create or replace a forest |
| renewable resource | a resource that is naturally replaced over a relatively short time after being used |
| selective cutting | the process of cutting down only some trees in an area leaving behind enough that you still have a forest |
| aquaculture | the practice of raising fish and other water organisms for food (fish farming) |
