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AIM: How do abiotic factors effect the environment

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AIM: How do abiotic factors effect the environment

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    1. AIM: How do abiotic factors effect the environment? Hmwk # 7 P 52 Sec 2.1 Vocabulary main ideas P 53 Q & A 1 10

    2. ECOLOGY Branch of biology that deals w/interactions among organisms AND between organisms & their environment BIOTIC factor all organisms, living or dead ABIOTIC factor non-living, physical factors of the environment such as light, water, temperature, soil

    4. LIGHT Energy for ALL living things comes from the sun Amount of light changes w/LATITUDE (distance north or south of the Equator) INTENSITY (strength) & DURATION (length of time) also vary (change) w/latitude Affect plant growth & animal behavior

    5. WATER Precipitation water that falls from the atmosphere Rain, snow, sleet, hail, fog & dew Annual (yearly) precipitation is related to latitude, altitude & geographic features (mountains, oceans)

    6. TEMPERATURE Varies w/latitude & altitude ALTITUDE vertical distance above sea level As altitude temperature

    7. SOIL Made of organic (living) & inorganic (never living) materials Inorganic is mostly rock particles from weathering WEATHERING process where the freezing & thawing of water cracks the rocks Lichens (algae & fungus together) grow in the cracks. When they die, they become organic material in soil

    8. Layers of soil Topsoil organic layer that contains humus (formed from the decay of dead plants & animals) Living organisms found in this layer are plants, earthworms, insects, bacteria, fungus (mushroom) 2. Subsoil rock particles mixed w/minerals 3. Rocks

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