O2 is a Gas , we aspire it from the air
The answer is B: Taxonomy allows a better understanding of relationships among species.
Don't worry the answer is correct. I did the quick check and got 100%
~ Hope this helps
Molecular clocks use rates of mutation to measure evolutionary time.Mutations add up at a fairly constant rate in the DNA of species that evolved from a common ancestor. The more mutations that happened in each lineage, the greater is the differences between these lineages.
No one knows. There's no confirmation date at the moment. As that comment said, only time will tell.
A hybrid chicken because the offsprings traits were shared and therefor that chicken is a hybrid.
