Answer:
Speciation has become complete when organisms of one population do not recognize the mating call of another population and so mating does not occur. Which of the following statements about reproductive barriers and speciation is true? Speciation can occur with even a single gene mutation if that mutation involves reproductive barriers.
Explanation:
I’m not sure if this is what you’re looking for. Is their any answer choices?
The ozone layer helps prevent harmful UV rays from entering the atmosphere.
Answer:
The answer is C multicellular, eukaryotic, heterotrophic
I think it’s D. H2, NaCI, CO
