Question

These sources of information are used to determine the relationships among different species. Which provides information at the species level? comparison of fossil records comparison of the nucleotide sequences in DNA comparison of the morphology of the different species

Answer 1

Just took this quiz. The answer is "comparison of the nucleotide sequences in DNA".

Answer 2

Only "comparison of fossil records" would give accurate information regarding the relationships between different species, because these changes take hundreds of thousands of years to occur.