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Ch. 7 The Cycling of Elements Through Ecosystems

Horizontales
A mutualistic relationship between plants and fungi. Plants provide fungi with carbohydrates. In return, fungi gather phosphates and other nutrients for use by plants.
The movement of water from the geosphere and hydrosphere to the atmosphere.
The process by which atoms move through ecosystems over and over again.
The change of state of water from gas to liquid.
The process by which plants release excess water into the atmosphere.
Matter cannot be created or destroyed.
Lacking oxygen
The movement of carbon atoms through the living parts of ecosystems. Compare with geological carbon cycle.
A molecule that contains at least two different elements.
When precipitation falls to the ground faster than it can soak in and is pulled toward the ocean by gravity.
The regions of Earth in which life exists; all the ecosystems on earth.
The build-up of nitrogen and phosphorus in rivers, lakes and oceans. Eutrophication stimulates the growth of large amounts of algae, aquatic plants and other producers. When these organisms die, decomposition removes oxygen from the water, causing other aquatic organisms to die.
Verticales
The underground pool of water that collects in the pores and crevices of bedrock.
The process that converts nitrogen gas into ammonia. In most instances, nitrogen must be fixed before living things can use it.
A place where atoms reside for long periods of time, from decades to millions of years.
Tiny, thread-like organs of fungi that gather water and nutrients.
The movement of carbon atoms through the geosphere, atmosphere and hydrosphere. Compare with biological carbon cycle.
Carbon-based gases, such as carbon dioxide and methane. They allow sunlight to pass through but trap heat.
A place where atoms collect for a short length of time, from a few hours to a few years.
The process that converts ammonia into nitrates.
A pool or reservoir composed of all the rocks and minerals making up the Earth’s land.
A combination of two or more atoms.