The correct answer for the given question above would be option C. Since deforestation is killing organisms that produce oxygen, which are the plants and trees, the only oxygen-producing organisms that would remain if all the forest were destroyed are the planktons. The planktons produce oxygen, especially in the ocean. The oxygen is the byproduct of the process of photosynthesis of these planktons.
The best and most correct answer among the choices provided by your question is the first choice or letter A.
The theory of special creation predicted that <span>species change by adaptation to their environment.</span>
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La migración animal es el movimiento a larga distancia de animales individuales, generalmente de forma estacional. Es la forma más común de migración en ecología. Se encuentra en todos los principales grupos de animales, incluidos pájaros, mamíferos, peces, reptiles, anfibios, insectos y crustáceos.
Respiratory and circulatory system work close together with alveoli to provide oxygen to cell.
Explanation
Through the process of respiration when oxygen reaches to lungs and then to alveoli. Here oxygen is diffuse to blood through capillaries by the process of partial pressure diffusion. Oxygen combine with hemoglobin present in red blood cells. Now with the help of circulatory system this oxygen is transported to all other parts of the body where needed.