Answer:
Hypothesis If the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.
Explanation:
Here is the answer based on the given scenario above. One of the most common energy sources used by bacteria is glucose and it is such a good source of energy for bacteria because g<span>lucose is a highly reduced compound, containing many carbon-hydrogen bonds and a lot of potential energy. Hope this helps.</span>
The answer is b.)Cnidarians