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Definition
| The relationship between organisms with other organisms; organisms with the environment |
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Definition
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| Levels of organization from smallest to largest- |
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Definition
| Individual,population,community,ecosystem,biome,biosphere |
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Definition
| Autotrophs; plants, algae, bacteria. Use sunlight or chemicals to make food. Photo/chemo-synthesis |
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Definition
Heterotrophs- rely on other organisms for food.
Herbivores- Eat plants
Carnivores- Eat Meat
Omnivores- Eat plants and meat (Humans)
Detritivores- Feed on dead matter (worms, crabs, etc.) |
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Definition
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Definition
Each step of a food chain is a trophic level
Producers make up first level
Primary consumers make up second level
Secondary consumers make up third level
Tertiary consumers makeup fourth level, etc |
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Term
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Definition
| Energy is transferred to the next trophic as 10% of the previous |
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Term
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Definition
| Weather over a long period of time |
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Definition
Carbon Dioxide
Methane
Water Vapor |
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Term
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Definition
Biotic factors influence others
Abiotic factors are nonliving factors |
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Definition
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Definition
| One benefits, other isn’t harmed |
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Definition
| One benefits, other is harmed |
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Definition
Primary starts from scratch
Secondary starts from leftovers such as forest fires, weeds, etc |
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| 3 Characteristics of population- |
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Definition
Geographic distribution
Density
Growth Rate |
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Term
| Factors that affect growth rate- |
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Definition
Birth rate
Death rate
Immigration
Emigration |
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| Density dependent factors- |
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Definition
Competition
Predation
Parasitism and disease |
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| Density Independent factors- |
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Definition
Human disturbances
Drought and other climate extremes |
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Term
| What caused population to skyrocket- |
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Definition
Agriculture
Industry
More reliable food supply
Better sanitation
Advances in medication |
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Term
| Activities that affect the biosphere- |
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Definition
Hunting
Gathering
Urban Development
Industry
Agriculture |
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Definition
| Main cause of air pollution |
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Definition
| Threats- Hunting, altering habitats |
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Definition
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Definition
| Destroys Ozone; Ozone hole should be gone in 50 years |
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