Why does this recent discovery about the Galapagos finches prove that it’s often challenging for scientists to determine when two groups of individuals are separate species? What factors do scientists need to consider when determining whether a species is a new species or part of an existing species?

Are produced in the light reactions and used in the calvin cycle. a)nadh and atp b)electrons and sugar c)nadt+ and adp d)sugar molecules

Which statement best describes lactic acid fermentation? a. lactic acid fermentation is the first step of cellular respiration. o b. lactic acid fermentation is the final step of cellular respiration. re to berate c. in the absence of oxygen, cells release atp by breaking down lactose into glucose. e der lade res o d. in the absence of oxygen, cells release atp by breaking down glucose into lactate. ar

Number and variety of living organisms includes genetic, species, and ecological types