Answer: i think A
Explanation: the thyroid uses the calories so an overactive thyroid would use those calories more quickly, causing the person to lose energy and feel tired.
Answer:infectious disease
Explanation:
.
<span>DECREASED BIODIVERSITY WITHIN THE SPECIES. A negative result of asexual reproduction is that harmful mutations can spread throughout an asexual species very easily. This makes asexual reproductive species are susceptible to certain diseases and can kill many offspring.</span>