Darwin hypothesized that new species could appear gradually through small changes in an ancestral species. which observation that he made about finches most supports that hypothesis?

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igneous rock formed from below the surface would have more crystals because

answer: because magma cools more slowly than lava

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;

cell division is not regulated in tumor cells.