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Answer:
Option A, by having a constant supply of blood
Explanation:
Blood that flows to the muscles bring oxygen from the atmosphere to the contracting muscles where it gets consumed. During large muscle exercise, two physiological needs arise – a) high and prolonged muscle blood flow and b) regulation of blood pressure so that there is adequate perfusion of pressure to all organs. In order to meet both the requirements, the blood flow increases so that the vasoligating muscles do not outstrip the cardiac output.
Hence, option A is correct
Answer:
Explanation:
The objective is to conclude if the statements are true or false based on facts.
1)
True
2)
False
This is because their ancestor is a Chordate who doesn't have a vertebral column but a notochord.
3) True


4)
False
This is because the bass is a fish that possess some characteristics traits related to an amphibian (turtle) as compared to a mammal(leopard).
5)
False
The taxa of turtles share a more common ancestor with frogs compared to bass.
6)
False
The common distant ancestor for leopards and lancelets is known as Chordates