An allele gets sponteniously (not by natural selection) eliminated from the population’s gene pool. This can happen in smaller populations
There will be 34 chromosomes in each gamete.
Photosynthesis makes the glucose that is used in cellular respiration to make ATP. The glucose is then turned back into carbon dioxide, which is used in photosynthesis. While water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with<span> hydrogen to form water.</span>
"<span> You would not be able to pull your forearm up toward your shoulder" is the best option from the list, but it should be noted that there would be other issues as well. </span>