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15 Cards in this Set
- Front
- Back
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Ordovician Period |
3rd largest, 85% of sea life wiped out |
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Late Devonian |
3/4 of species wiped out, affected sea the most
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Permian |
"Great Dying" 96% of species wiped out only extinction to effect affect insects |
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Triassic-Jurassic |
50% of animals wiped out, plants mainly untouched
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Cretaceous Tertiary |
Death of dinosaurs |
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What elements where in Earth's atmosphere back then and now |
Past: Nitrogen, hydrogen, carbon dioxide, argon, water vapor, and sulfur oxides Present: Nitrogen, oxygen, argon, carbon dioxide and others |
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Soil Horizons in Order |
O -> A -> E -> B -> C-> R |
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Major nutrients in Soil |
Nitrogen Phosphorus and Potassium |
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Solutions to Acidic soil |
Add Limestone |
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Solutions to basic soil |
Add organic matter such as fertilizer |
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Rule of 70 |
10 / Growth Rate % |
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Growth Rate |
(Birth + Immigration) - (Death - Emmigration) / Total Population * 100 |
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Indicator Species |
Indicate health of environment |
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Mutualism |
Both species benefit |
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Parasitism |
Host is harmed |
