Answer:
<em>The correct option is D) to maintain the diversity of the living environment</em>
Explanation:
Forests, such as the oak forest, are of utmost ecological importance as they are rich in wild-life animals and plants. They biodiversity in such areas is huge as there are different types of plants and animals living here. Even if we have to cut down a forest, we should try to protect a section of it so that all this huge biodiversity is not lost. Cutting down the whole oak forest will result in no habitat for the different animals that lived there. As a result, many species of organisms might become extinct.
Answer:
During gas exchange oxygen moves from the lungs to the bloodstream. At the same time carbon dioxide passes from the blood to the lungs.
D eukaryotic cells have organelles coved by membranes
