Fruit flies produce offspring relatively fast and have specific traits, such as eye color and body color/shape. They are easy to observe and their traits are easily traced throughout the next generations.
Eye strain - hope this helped
<span>The position of the carbonyl group.
Both aldoses and ketoses are monosaccharides. They are simple sugars with a Carbon chain. The difference is what's in the position of the carbonyl group: aldoses have an aldehyde group while ketoses have aketone group.</span>
The Economy<span> and Environment. </span>Estuaries<span> are </span>important<span> natural places. They
providegoodsandservicesthat are </span>economically<span> and </span>ecologically<span> indispensable.
sry if wrong</span>