Some species of animals have moved into caves over generations. Which of the following structures would MOST LIKELY to have become a vestigial structure in
these animals?
eyes
ears
teeth
legs

Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%

Define the apical impulse and describe its normal location, size, and duration. which abnormal conditions may affect the location of the apical impulse? explain the mechanism producing normal first and second heart sounds. describe the effect of respiration on the heart sounds. describe the characteristics of the first heart sound and its intensity at the apex of the heart and at the base. describe the characteristics of the second heart sound and its intensity at the apex of the heart and at the base.

If a checkpoint detects damaged dna, the checkpoint may