"REPRODUCTIVE ISOLATION" needs to occur for speciation to happen.....
3,000,000,00 is prolly estimated
Answer:
Condensation reaction: A reaction in which two or more molecules combine to form a larger molecule, with the simultaneous loss of a small molecule such as water or methanol. While this occurs in many reactions, the term is usually reserved for reactions in which a new carbon-carbon bond is formed.
Answer:
the third whorl of a flower contains the male reproductive structure known as androecium