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Nonliving Ecosystem

ch. 25 & Ch. 27

QuestionAnswer
Abiotic any nonliving and never living feature in an environment
Biotic any living & once living feature in the environment
Atmosphere the air that surrounds the Earth
Respiration the process in our cells of using oxygen to release energy that's stored in sugar molecules
Water major ingredient inside all cells of all organisms
Soil a mixture of minerals, rocks, remains of dead things, water & air.
Humus the decaying matter in soil
Photosynthesis when producers use sunlight & carbon dioxide to make their own food and give off oxygen & water.
Earth's Poles where temps are lower because the angle of the sunlight is less direct.
Earth's Equator where temps. are higher because the angle of the sunlight is more over head.
Elevation the higher up the less air molecules to hold in heat so it is colder
Climate an area's average weather conditions over a long time includes temperature, precipitation & wind.
Wind the movement of gases when warm air rises and cold air sinks
Evaporation when a liquid changes into a gas
Condensation when a gas changes into a liquid
Precipitation when water/ice falls to the Earth
Transpiration when water vapor is released from the leaves of plants.
Water Cycle the model of how water is recycled from atmosphere to Earth.
Nitrogen it is part of the DNA in all living organisms and it repairs or makes new cells.
Nitrogen Fixation when certain bacteria can help plants absorb nitrogen into their roots
Carbon Cycle a model of how carbon & oxygen move between the living & nonliving world.
Nitrogen Cycle the transfer of nitrogen through plants, air, soil and animals.
producers organisms that can make their own food. (plants)
consumers organisms that must obtain their food from other sources. (eaters)
Created by: hubblep
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