<span>Preservation of advantageous genetic mutations, I think.</span>
Answer: boom
Explanation: hope this is right :)
Please rephrase the question, it doesn't make sense.
Answer:
ABO blood group system, the classification of human blood based on the inherited properties of red blood cells (erythrocytes) as determined by the presence or absence of the antigens A and B, which are carried on the surface of the red cells.
Explanation:
hope this answer satisfies you
Explanation:
The glow-worm begins its life in the autumn as a pale yellow egg. The freshly laid egg is extremely fragile but within a day its surface has hardened into a shell.
