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dead zone in the ocean due to low levels of dissolved oxygen
Over 200 dead zones in the worlds oceans
Gulf of Mexico is an example of a dead zone |
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Small plant life that zooplanton feeds off. Bottom of the food chain.
Phyto means plant |
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| Who uses more fertilizer than any other group inlcuding farmers? |
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| Input to a system that is started from output. It is a circle. |
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| Positive feedback is rare in nature. Things go from bad to worse |
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| All living things systems |
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Scale which measures the acidity level of a solution
Ph levels determine if a plant lives or flourishes or is stunted |
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Molucule of life
If DNA is damaged it can affect the life of the creature |
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| Give an example of positive feedback. |
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| Mississippi river system flowing into the Gulf of Mexico is an example of a positive feedback |
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The ability to bring about change and to do work.
Every living action need energy. |
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Kinectic energy: actualized energy, energy of motion
Potential energy: energy of position, stored energy
Chemical energy: potential energy held in bonds between atoms
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| Example of potential energy |
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| 1st Law of Thermodynamics |
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| Energy can't be created. It is constant and is said to be conserved |
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| 2nd Law of Thermodynamics |
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| Nature of energy will change from a more-ordered state to a less-ordered, if no force counteracts this tendency. |
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| Example of 2nd Law of Thermodynamics |
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| Systems tend to move increasingly toward disorder. |
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Assembly of interactive parts
Example Gulf of Mexico, major fishery of the world, historically |
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