This image is a partial lunar eclipse. The moon is only showing partially, so it's not total, and the brighter side is showing.
The concave disc shape of red blood cells Maximizes the surface area of the cell , allowing for rapid movement of oxygen or carbon dioxide to and form the hemoglobin within the cell.
1.) A nucleotide of DNA consists of a sugar, a phosphate, and a nitrogen containing base.
2.) A mutation is a change in the base sequence of a DNA molecule
Hope this helps!
Answer:
The reason why it occurs is when the organism doesn't have the desirable traits it needs to survive.
Explanation:
