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A chemical substance that an organism needs to perform life processes is called?
matter is not created or destroyed
the biogeochemical cycle
the amount of phosphorus available to them
animals urinate and organisms die
producers
cellular respiration
nitrogen
a nutrient
The combination of processes that exchange matter through the biosphere is called?
matter is not created or destroyed
the biogeochemical cycle
the amount of phosphorus available to them
animals urinate and organisms die
producers
cellular respiration
nitrogen
a nutrient
At each step in the food web, organisms reuse __________ to make proteins.
matter is not created or destroyed
the biogeochemical cycle
the amount of phosphorus available to them
animals urinate and organisms die
producers
cellular respiration
nitrogen
a nutrient
Nitrogen is returned to the soil when-
matter is not created or destroyed
the biogeochemical cycle
the amount of phosphorus available to them
animals urinate and organisms die
producers
cellular respiration
nitrogen
a nutrient
Who begins the nutrient cycle through the biosphere?
matter is not created or destroyed
the biogeochemical cycle
the amount of phosphorus available to them
animals urinate and organisms die
producers
cellular respiration
nitrogen
a nutrient
The law of conservation states that:
matter is not created or destroyed
the biogeochemical cycle
the amount of phosphorus available to them
animals urinate and organisms die
producers
cellular respiration
nitrogen
a nutrient
Autotrophs and heterotrophs release carbon dioxide into the air during:
matter is not created or destroyed
the biogeochemical cycle
the amount of phosphorus available to them
animals urinate and organisms die
producers
cellular respiration
nitrogen
a nutrient
Growth of producers is limited by-
matter is not created or destroyed
the biogeochemical cycle
the amount of phosphorus available to them
animals urinate and organisms die
producers
cellular respiration
nitrogen
a nutrient
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