Which sentence describes one difference between dna and rna

Based on the law of dominance, we would expect percent of the offspring from this cross to have large teeth.

For a comparative or experimental investigation, scientists often make a testable about a scientific question, and then they test it in the investigation. a.control b.hypothesis c.procedure d.system

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?