Natural selection is where certain organisms adapt better and make offspring.
-Steel jelly
The answer to this is Hydrolysis
When it is said that mutation is the ultimate source of genetic variation it means that it creates several new combinations which is similar to meiosis and fertilization because <span> new alleles and genes appear. It is just about some common points.</span>
Muscle tissues signaling muscle tissues to contract.
Answer:
A I think I might be wrong but hopefully its right