Oxygen, Silicon, Iron, Sodium, Aluminum, Calcium, Magnesium, Potassium
Phosphate, a sugar cell, and nitrogen bases.
Out of the chooses given, the best description between evolution and natural selection is that natural selection leads to evolution. The correct answer is A.
1. <span> A. The algae directly feeds the large-mouth bass and wood duck. Consumers are the same thing as heterotrophs.
2. </span><span>The blue arrow points to an animal which gets all its energy from (i.e., eats) only other animals
3. </span><span>Primary consumers are the organisms which eat producers. So without the primary consumers eating the producers, the number of producers will probably increase.</span>
