How did so many different species come to be on the islands?

A) They all come from the mainland separately.

B) One type of finch came from the mainland and the species diversified on the island.

answerreferred pain;

bradycardia ( blood presssure below 120/80mmhg )

it is contraindicated to give nitroglycerin to patients with blood pressure that is lower than normal range because the drug can cause blood pressure to drop further. it can lead to paradoxical bradycardia and less commonly, threatening hypotension.

label a:   the core

label b : the chromosphere

label c : the photosphere

label d: the corona