Changes in the gene pool are closely related to genetic mutations, which are a major part of evolution.
Answer: A
Explanation: I did the test
Certain changes in a plant or animal could cause unpredicted allergic reactions in some people which, in its original form, did<span> not occur. Other changes could make an organism toxic to </span>humans<span> or other organisms. These concerns range from ethical issues to a lack of knowledge on the effects </span>genetic engineering<span> may have.</span>
Answer:
positive feedback
Explanation:
Negative feedback makes the body back to normal, for example, the body releases less glucose into the blood when there is a high blood sugar. Since more growth hormones are released because of the presence of growth hormones, this cannot be negative feedback.
Positive feedback increases a stimulus, for example, the body's release of Oxycontin during labor, causing contractions. These contractions cause more Oxycontin to be released. Since the stimuli is increasing, we can say its positive feedback
Lava is above Earth's surface, magma is below.
