The answer is; B
Not all disturbances to ecosystems are undesirable. The fact, however, is that disturbance does change the structure of the ecosystem including impacting the biodiversity. The disturbance may benefit some species while it may be disadvantageous to some species. An example is that while a volcanic eruption might devastate a whole ecosystem, the recovered ecosystem after time may have an increased biodiversity than before.
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<span>The control would be a plant grown without any fertilizer. This is called a negative control and is important in identifying the influence of the treatments on the tests. In this case, it would mean that the plant without fertilizer (control) is not expected to grow as large as in the other treatment. </span>
The statements that correspond to cellular respiration are:
2) CO2 diffuses passively out of the cell.
6) O2 is pumped in and forces CO2 out
Cellular respiration in animals produces carbon dioxide as waste products. Cellular respiration is presented like this:
oxygen + glucose → energy + carbon dioxide + water