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20 Cards in this Set

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What two biomes is the Earth split into?
Has to be self-contained. It looks at the interaction between the biotic (living) and the abiotic (non-living)
Interested in the organisms and how they interact with each other
Work with a single species of an organism. More informative if you look at one species in different environments. Need to be watching for evolution
The sense of conditions necessary for a species to survive
Plants tend to be on the short side. Characterized by plants with a short life cycle because snow will disapear in the end of June, then will show up again toward the end of August.
Permanently frozen under the surface.
Taiga (Coniferous Forest)
Evergreens-can do a little bit of photoynthesis, even in the dead of winter. They are frost resistant.
Temperate Forest (Deciduous)
They are dominated by trees that loose their leaves each fall.
Temperate Forest (Coniferous)
Have evergreen trees.
Temperate grassland
Bison once dominated the North American prarie.
Tropical Savannah
Is home to grasses, scattered trees.
30-35 inches of rain per year.
Temp. ranges are about the same, but when it reaches a certain temp. it tends to stay there for awhile.
Moisture- snow, rain, they dry.
Means the fire hazard signs will be very high.
Less than 4 inches of rain/year.
Characterized by plants that hang around (cactus).
Temp.- can get nasty, can be cold all the time, but can also be really hot.
When it rains, it rains- flash floods.
Organisms need to be highly adaptive to their environment.
Germinate like crazy.
Have to wait till it rains.
Tropical Rain Forest
Large numbers of niches.
Mostly in northen South America.
Seriously dense!
All sorts of plants.
More orchids than any other species because they will grow in tropical rain forests.
Anything that does photosynthesis.
Plants= Primary producer.
Consume energy.
Herbivores- animals that eat plants, are secondary producers.
Eat the little bits.
They are bacteria and fungi.
They put all the carbon dioxide back into the atmosphere.