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Question:
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Which of the following statements will be surely CORRECT about a vertebrate that has a complete four-chambered heart?
I. The animal shows pulmonary respiration.
II. The animal has double circulation.
III. The animal has left systemic arch (aorta curved to left).
IV. The animal can maintain constant body temperature.
Options:
I. The animal shows pulmonary respiration.
II. The animal has double circulation.
III. The animal has left systemic arch (aorta curved to left).
IV. The animal can maintain constant body temperature.
Solution:
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Verified Answer
The correct answer is:
I and II
Birds and Mammals have 4 chambered heart. Organisms of both of these groups respire through lungs, have double circulation and can maintain constant body temperature. Birds have a right systemic arch and mammals have a left systemic arch. Crocodiles which are reptiles also have a four-chambered heart but they can't maintain a constant body temperature.
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