Which of the following would be evidence of an adaptive thermoregulatory response in a group of vertebrates? Synthesis of different isozymes in species living in different environmental temperatures....

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Extracted text: Which of the following would be evidence of an adaptive thermoregulatory response in a group of vertebrates? Synthesis of different isozymes in species living in different environmental temperatures. Different rates of shivering between species according to different environmental temperatures Different decreases in cell membrane fluidity between species according to different environmental temperatures. Different amino-acid sequence composition between species according to different environmental temperatures