Answer:
The least likely to be a source of genetic variation among living organisms is asexual reproduction. Asexual reproduction is a kind of reproduction that does not include fertilization process of two gametes: female and male but only includes parts of plants or cells. In this case, variation is minimized
Explanation:
The relationship between genetic traits and the prevalence of diseases such as malaria and smallpox illustrates the ways in which human biological diversity reflects adaptation to such environmental stresses as disease, diet, and climate.
<span> Positive selection increases the </span>prevalence<span> of </span>genetic<span> variants that improve survival and fertility.</span>
Answer: changed by molecular oxygen
Explanation:
Biologically induced molecular oxygen (dioxygen, O2) started to accumulate in Earth's atmosphere and changed Earth's atmosphere from a weakly reducing atmosphere to an oxidizing atmosphere.
Plants will usually droop their leaves and wilt on a hot day due the amount of water they're not receiving. This can be advantageous to a plant because this releases moisture in the air called <span>transpiration.
Hope that helps. -UF aka Nadia</span>