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?

What is the role of dna ligase in the elongation of the lagging strand during dna replication?

Which of the following options describes photosynthesis correctly? question 8 options: a plant uses carbon dioxide and water to make oxygen and nitrogen a plant breaks down sugar to make carbon dioxide. a plant uses sunlight, carbon dioxide, and water to make sugar and oxygen. a plant uses sunlight to break down sugars for digestion into water and oxygen.

Can someone me i need the answer and don’t understand?