That is to protect Cell from external Harsh Environment
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Answer:
C
Explanation:
Consumers can't convert glucose, they don't take in carbon dioxide, and they can't produce Glucose, therefore it has to be C
There are many lines of evidence which clearly show that the atmospheric CO2<span>increase is caused by humans. The clearest of these is simple accounting - humans are emitting CO2 at a rate twice as fast as the atmospheric increase (natural sinks are absorbing the other half). There is no question whatsoever that the CO2 increase is human-caused. This is settled science.</span>
Answer:
If they weren't in the ecosystem, the plants would not get essential nutrients, and dead matter and waste would pile up.
Explanation:
Hope this helps.
-Sierra<3
