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19 Cards in this Set
- Front
- Back
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What is an ecotone? |
The transition area where two ecosystems meet what |
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What are the 4 major terrestrial biomes of Canada? |
- Taiga - Muskeg - Grassland - Deciduous forests |
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What is the Taiga biome like? |
- Medium precipitation - average forest creatures and plants - changeable weather - soil contains some water and is acidic |
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What is the muskeg biome like? |
- cold temperatures - short growing season - permafrost layer beneath snow - low precipitation |
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What is the grassland biome like? |
- warmer temperatures - rich fertile soil -average precipitation |
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What is the deciduous forest biome like? |
- warmer temperature - increased sunlight - rich soil - average precipitation |
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What are the zones of a lake ecosystem? |
- littoral zone - limnetic zone - profundal zone |
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What are the zones of a lake ecosystem? |
- littoral zone - limnetic zone - profundal zone |
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What is the littoral zone? |
- the area extending from the lakeshore to the point where you can no longer find plants rooted to the bottom of the lake - most productive part of the lake where algae and plants use sunlight to carry out photosynthesis |
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What is the limnetic zone? |
- area of open lake where there is enough light for photosynthesis to occur Most common type of organism found here is plankton |
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What is the profundal zone? |
- the region of a lake beneath the limnetic zone - insufficient light for photosynthesis |
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What are the three layers of temperature in a lake biome? What happens to them during spring and fall? |
a) epilimnion, thermocline, hypolimnion b) turnover |
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What are the 2 kinds of lake ecosystems? |
- oligotrophic - Eurtrophic |
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What are the 2 kinds of lake ecosystems? |
- oligotrophic - Eurtrophic |
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What is an oligotrophic lake? |
- typically deep and cold - low nutrient levels (limits population size) - usually clear water - limited to only a few types of organisms |
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What are the 2 kinds of lake ecosystems? |
- oligotrophic - Eurtrophic |
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What is an oligotrophic lake? |
- typically deep and cold - low nutrient levels (limits population size) - usually clear water - limited to only a few types of organisms |
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What is a Eutrophic lake? |
- shallower and warmer - excellent supply of nutrients - water is often murky - many different species of photosynthetic organisms |
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What are the three main indicators of water quality? |
1) Bacteria Count (Coliform bacteria usually indicates fecal contamination) 2) Dissolved oxygen 3) Biological Oxygen Demand (BOD) |
