Not always because there could be birth defects, mutations, or other variables.
The seasons by the ocean are less extreme than inland areas.
A Light Year is a mesurement of 5.879e+12 miles Compressed into one unit of mesurement or a "Light Year"
Light Years are used in the measurement of the universe because, to put it simply, SPACE IS BIG! The use of Light Years (5.879e+12 miles) Breaks the observable universe down into manageable chunks for astrologists.
The answer is b considering that the cell is a basic structure for organisms and yeah hope that helps and provides a strong backbone to my answer
