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Definition
| All populations inhabiting a particular area |
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Definition
| All the living organisms and nonliving things of a particular environment |
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Definition
| fallen leaves, dead grass, sticks, first few cm of soil |
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Definition
| (aka biological diversity) the variety of the living things on Earth |
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Definition
| NON-living things in the environment |
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Definition
| "pertaining to the living organisms of the environment" |
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Term
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Definition
| Determines an organisms position in a food chain (<---this is their trophic level) Ex. 1)primary producers, 2)primary consumers, 3)secondary consumers, 4)Tertiary consumers, and 5)Quaternary consumers. |
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Definition
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Definition
| "a consumer that derives its energy from nonliving organic material" |
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Definition
| Autotrophic, usually photosynthetic organisms; trophic level that supports all other levels. |
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Definition
| An animal that eats plants |
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Definition
| An animal that eats other animals |
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Definition
| An organism that consumes the remains of dead organisms |
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Definition
| The amount of energy transferred from one trophic level to the next. |
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| Trophic Efficiency (energy) #2 |
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Definition
| the amount of energy at each trophic level limits the amount of energy at the next trophic level. |
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Definition
| Humans can be primary consumers or secondary consumers, Ex. primary- humans eat corn, 2ndary- humans eat steak(the steak is from the primary consumer that ate from the primary producer) |
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Definition
| the pathway along which food is transferred from trophic level to trophic level, beginning with producers. |
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Definition
| The elaborate, interconnected feeding relationships in an ecosystem |
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Term
| What is nutrient cycling? |
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Definition
| the process of moving nutrients between organic and inorganic parts of the ecosystem |
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| Nutrient Cycle (4 cycles) |
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Definition
| 1)water cycle 2)carbon cycle 3)nitrogen cycle 4)phosphorus cycle |
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Term
| DIS - Coefficient of dispersion |
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Definition
| 1)Calculated by dividing variance by the mean 2)measure of the overall distribution of the data |
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Term
| Current and Global biodiversity issues |
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Definition
| CLIMATE CHANGE(polar ice caps, ozone depletion) INVASIVE SPECIES(introduction of nonnative species by humans has allowed them to become dominant because they have no natural predators)HABITAT LOSS(rain forest destruction, logging industry)OVEREXPLOITATION(OVER KILL ON ANIMALS, leads to extinction, ex. beavers, cod, elephants, sea otters.) |
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