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Abiotic. Non living factors in an ecosystem that organisms depend on. Air. Nitrogen 78% Oxygen 21% The atmosphere allows matter to Cycle. Water. Most organisms are ~70 % water The more water there is in an area, the more diverse the life forms are. Dirt.
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Abiotic Non living factors in an ecosystem that organisms depend on
Air Nitrogen 78% Oxygen 21% The atmosphere allows matter to Cycle
Water Most organisms are ~70% water The more water there is in an area, the more diverse the life forms are
Dirt A mixture of sand, silt, and clay When it contains bacteria, it is called SOIL Rocks
Sunlight • The main source of energy on Earth! • Drives: • Seasons • Climate • Water cycle
Temperature 50-120º F Temperature depends on elevation and latitude
Climate Long term weather patterns Determines what can survive in a certain area
Biotic Factors Living or once living things that organisms depend on
Organic Materials • Organic Molecules • Nutrients • Carbon • Sugar • Nitrogen • Phosphates
Living Factors • Bacteria • Disease • Other living organisms • Predation
Living Factors Parasitism Competition Mutualism
Living Factors Shelter Protection Mating Food
Dead Factors Nutrients/food Decaying matter
Dead Factors Sticks Bones Leaves Grass