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1. - biome that has only small shrubs, hardy grasses, mosses, and lichens
- biome that has few trees but is covered in grasses and shrubs
- this biome has different types of needle and cone bearing trees than a boreal forest
- water-based
- water-based biome in which the water has a high salt content
- water-based biome in which the water has a low salt content
- water, land, and air, where life exists and biomes combine
- [freshwater biome]
- [marine biome]
- [temperate coniferous forests]
- [grasslands]
- [tundra]
- [biosphere]
- [aquatic]
2. - layer of gases that surrounds Earth
- Earth's solid, outer layer
- all the water on Earth
- substances used to build and repair the cells of its body
- pure substance that cannot be broken down into a simpler substance
- moving a nutrient from the abiotic part of an ecosystem to the biotic part and back again
- any place where matter accumulates
- [reservoir]
- [nutrients]
- [hydrosphere]
- [lithosphere]
- [atmosphere]
- [nutrient cycle]
- [elements]
3. - water that runs off the ground into nearby streams or rivers
- large underground lake
- conversion of nitrogen gas into ammonia
- bacteria that convert nitrogen gas into ammonia
- bacteria that convert ammonia into nitrites and then nitrates
- bacteria that convert nitrates into nitrogen gas
- substance in plants that absorbs Sunlight and causes leaves to be green
- process plants use to produce carbohydrates from carbon dioxide
- process organisms use to obtain energy from glucose
- [denitrifying bacteria]
- [aquifers]
- [nitrifying bacteria]
- [run-off]
- [chlorophyll]
- [cellular respiration]
- [nitrogen fixation]
- [nitrogen-fixing bacteria]
- [photosynthesis]