The organisms in a pond and the physical factors <span>influencing them best describe "an ecosystem" since this is a self-contained environment will multiple organisms. </span>
There are three food macro molecules which yield energy in the body, these are carbohydrates, fats and proteins. The fat gives the highest amount of energy inside the body. If one gram of a fatty food is eaten, it will produce 9 kilocalories. Thus, any food which fall into the class of fat and oil will yield the greatest energy within the cell.
Everything in the natural world is connected an ecosystem is a community of living and non living things that work together ecosystem in nature work the same way all the parts work together to make it balance system
<em>Answer:</em>
The best answer for this question is "C. Lysosomes."
<em>Explanation:</em>
Because it's known for breaking down food molecules (like proteins, nucleic acids, and etc..). Lysosomes meld with vacuoles to digest their substance.
Glad to help ya!! :)
