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Test your knowledge on abiotic and biotic factors here. Click on the link below. http://www.kubbu.com/student/?i=1&a=45900_abiotic_vs_biotic

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Invasive fish are usually introduced to an aquatic environments by humans. Click below to read more about invasive species in Maine lakes!
http://www.maine.gov/ifw/fishing/illegal_stocking.htm

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Invasive plants are brought to aquatic environments mainly by boats that have been in other lakes infected with the invasive plant. Click below to look at a map of lakes in Maine that are infected with invasive plants.

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Go here to learn more about water pollution!

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Go here to learn more about water pollution!

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http://eschooltoday.com/pollution/water-pollution/types-of-water-pollution.html

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Nutrient that influences the growth of algae in the lakes.

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In lakes the amount of Alkaline reduces the effect of pH in the water. While pH is acidic, Alkaline is basic, and works to keep the lake at a stable chemical environment.

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The amount of Acid or acidity in something. This helps determine which plant and animal species can live in a lake.

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Matter that settles to the bottom of a liquid.

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Microscopic bubbles of gaseous oxygen that are mixed in water and available to aquatic organisms for respiration.

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An ecosystem in a body of water.

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Nonflowering plants including seaweeds, contain chlorophyll but lack stems, roots, and leaves. In the picture bellow you can see the green algae on the surface of the water.

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A living thing, such as an animal or plant, that influences of affects an ecosystem.
Some examples are animals, plants, microorganisms, dead organisms, and even animal waste

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A nonliving condition or thing, such as climate or habitat, that influences or affects an ecosystem and the organisms in it.
Some examples are rain, wind, temperature, soil, pollution, and sunlight.

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Pollution happens when the environment, land, water or air is contaminated, or dirtied, by waste, chemicals, and other harmful substances. There are three main forms of pollution: air, water, and land.

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Learn more about watersheds, what is included in a watershed?

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Learn more about watersheds, what is included in a watershed?

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What is a watershed? Watch this video to learn more!

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What is a watershed? Watch this video to learn more!