Answer:
Dung beetles lives in the animal dung and take nutrients from the undigested substances present in the dung. This dung is mixed with the soil by the beetle to increase the fertility of the soil. These nutrients is taken by plants with water through roots and makes their food in the form of carbohydrate from it in the process of photosynthesis. This carbohydrate is stored in different parts of plant body.
<span>There are four possible phenotypes with a dihybrid testcross. The 1:1:1:1 ratio means that there is an equal chance of any of the four expected phenotypes in the offspring.</span>
The third example will be “cancer”
Im not really sure about the water, other than the trees wouldn't be absorbing it so there would be extra? But a huge amount of trees like that produce a lot of oxygen, so there would not be less oxygen in the environment. Hope this helps!