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Which is true of energy in ecosystems?
It decreases over time
chemosynthesis
photosynthesis
They return nutrients to soil.
It flows in one direction
fixation
plants
a plant living near a stream
During which process is oxygen gas released into the atmosphere?
It decreases over time
chemosynthesis
photosynthesis
They return nutrients to soil.
It flows in one direction
fixation
plants
a plant living near a stream
Which is a biotic factor?
It decreases over time
chemosynthesis
photosynthesis
They return nutrients to soil.
It flows in one direction
fixation
plants
a plant living near a stream
Which is true of the amount of matter in ecosystems?
It decreases over time
chemosynthesis
photosynthesis
They return nutrients to soil.
It flows in one direction
fixation
plants
a plant living near a stream
Which process converts atmospheric nitrogen to a from organisms can use?
It decreases over time
chemosynthesis
photosynthesis
They return nutrients to soil.
It flows in one direction
fixation
plants
a plant living near a stream
What role do bacteria play in soil ecosystems?
It decreases over time
chemosynthesis
photosynthesis
They return nutrients to soil.
It flows in one direction
fixation
plants
a plant living near a stream
During the carbon cycle, ________take in carbon dioxide from the atmosphere.
It decreases over time
chemosynthesis
photosynthesis
They return nutrients to soil.
It flows in one direction
fixation
plants
a plant living near a stream
In which process do producers use chemical energy and make food?
It decreases over time
chemosynthesis
photosynthesis
They return nutrients to soil.
It flows in one direction
fixation
plants
a plant living near a stream
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