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Heartbeats per minute decreases with size

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If mammal lifespan increases with body size with a scaling coefficient, b =0.2, whose magnitude approximately matches the b value for the rate at which heartbeats per minute decreases with size, then which of the following is true?

Group of answer choices

a)The scaling coefficient, b, describing the scaling of heartbeats per minute with size is approximately -0.2

b)The number of heartbeats per lifetime is much greater for smaller mammals (consistent with their higher mass-specific metabolic rates)

c) The scaling coefficient, b, describing the scaling of heartbeats per minute with size. is approximately 0.2

d) Larger mammals have more heartbeats per minute

Reference no: EM132520290

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