Answer:
The answer to this question is mutualism
Male has sex chromosomes: One X + one Y
Female has sex chromosomes: Two X
So, Female must contribute by one X chromosome, but male can contribute either by X or Y, if he sends, X chromosome, then Female (Girl) will form, but if he sends Y chromosome, then Male (Boy) will form
Hope this helps!
The main idea is that microorganisms are small and they live everywhere possible.
Answer:
c
Explanation:
it is older because it was buried deeper than the fossil in layer d