What did darwin notice about the life on the galápagos islands

Compare and contrast cladistics and phylogeny. what are their advantages and disadvantages? which is the most useful in understanding how an organism developed into its current form? which concept most strongly supports your opinion about the origin of any given organism?

Which units ate used to measure both velocity and speed? check all that apply

What is the inability of an individual or a society to achieve a minimum standard of living known as ?