Living organisms obtain many of their requirements by diffusion. They also get rid of many of waste materials in this way. For example, Plants need carbon dioxide for photosynthesis. This diffuses from the air into the leaves through the stomata. It does this because there is a lower concentration of carbon dioxide inside the leaf as the cells are using it up. Outside the leaf in the air, there is a higher concentration. Carbon dioxide molecules therefore diffuse into the leaf down this concentration gradient :)
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The answer is d because it makes sense
The answer is Hypothyroidism. This is caused by a faulty thyroid gland that is under active. This means it produce less thyroid hormone that is important in metabolism. Consequently, one is unable to regulate body temperatures, and production of proteins. Hypothyroidism can also predispose one to diabetes, and heart attacks.
Definitely things such as over hunting deforestation, pollution, and agriculture all have detrimental effects to ecosystems
Land-use change: Humans may destroy natural landscapes as they mine resources and urbanize areas. This is detrimental, as it displaces residing species, reducing available habitats and food sources. ... This can negatively effect an ecosystem because the introduced species may outcompete native organisms and displace them.(Khan)