Answer:
it gets useful energy by the creation of sugar molecules through the process of Photosynthesis.
Explanation:
Based on the given scenario above, both the plants Lupine and the Gopher have survived on Mount St. Helen's. This has become possible because both of these plants aid in improving soil quality. The gopher is responsible in adding organic matter and also introduces air to the soil. On the other hand, the lupine is responsible in fixing nitrogen and adds organic matter. Answer is D.
This question seems a bit incomplete. It is not enough to be in the presence of a pathogen to...what? I assume the missing part is “to get sick” or something similar.
In any case, the answer would be true. If a pathogen is in an environment that is hostile or otherwise not conducive to its survival and growth, it usually wouldn’t be able to infect the host.