Answer:
The correct answer is D.
Explanation:
The Amoeba Proteus example given in the question describing its engulfing smallar organism and digesting them is an example of a proces named "Phagocytosis". These cells are called phagocytes and the process can be used for both feeding purposes or defensive purposes by various cells. I hope this answer helps.
The answer would be mitochondria.
Generating heat requires energy, and energy is produced with mitochondria.
2.everyday equations describe -everyday processes 1.Chemical reactions-produce new substances.
3.what does the symbol in a chemical equation mean-<span>that the reaction is reversible</span>
The human body has two type of feedback mechanism, positive and negative feedback. Positive feedback is a cyclic process that amplifies the action of a system until a negative feedback response is obtained. Positive feed back is important in processes that must go to completion quickly, for instance blood clotting. But it is harmful in situations in which stable conditions must be maintained, for instance body temperature, this is because it encourages departure from the state of stability.
