Answer;
A. leaf to mouse
Explanation;
-Considering the fact that the amount of energy at each trophic level reduces as it moves through an ecosystem from the lowest trophic level which happens to be producers (plants). And about 10 percent of this energy at any trophic level is transferred to the next level since the rest is lost largely through metabolic processes as heat.
-It means that the lower the trophic level the higher the energy obtained, for instance from producers to primary consumers, more energy is passed since it is the first passage of energy.
These proteins allow substances to enter that wouldn't be able to otherwise. Only small hydrophobic substances can enter cells. However, these proteins aid crucial substsances in entering the cell.<span />
Wild animal meat (small game animals), various vegetables, (corn, squash, etc.)
Material that mostly makes up bacterial cell walls is petidoglycan
Prokaryotic organisms tend to be single celled and rely on many simple mechanisms for nutrition and transport. However, eukaryotic organisms are more complex and have multiple systems within in their body, consisting of specialized cells and structures. Therefore, because <span>the need to create many differentiated cell types in eukaryotes means that there must be many mechanisms to modulate gene expression.</span>