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Which includes both an abiotic factor and a biotic factor?
They return nutrients to soil.
plants
a deer drinking from a stream
It decreases over time
fixation
sunlight
omnivore
detritivores
What role do bacteria play in soil ecosystems?
They return nutrients to soil.
plants
a deer drinking from a stream
It decreases over time
fixation
sunlight
omnivore
detritivores
What is the driving force behind the water cycle?
They return nutrients to soil.
plants
a deer drinking from a stream
It decreases over time
fixation
sunlight
omnivore
detritivores
Which process converts atmospheric nitrogen to a from organisms can use?
They return nutrients to soil.
plants
a deer drinking from a stream
It decreases over time
fixation
sunlight
omnivore
detritivores
A person who ate a salad made of lettuce, tomatoes, cheese, and ham is a(n)
They return nutrients to soil.
plants
a deer drinking from a stream
It decreases over time
fixation
sunlight
omnivore
detritivores
What organisms help break down dead leaves in an ecosystem?
They return nutrients to soil.
plants
a deer drinking from a stream
It decreases over time
fixation
sunlight
omnivore
detritivores
Which is true of the amount of matter in ecosystems?
They return nutrients to soil.
plants
a deer drinking from a stream
It decreases over time
fixation
sunlight
omnivore
detritivores
During the carbon cycle, ________take in carbon dioxide from the atmosphere.
They return nutrients to soil.
plants
a deer drinking from a stream
It decreases over time
fixation
sunlight
omnivore
detritivores
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