sing the figure on the next page, answer the following questions. Imagine that E
ID: 180619 • Letter: S
Question
sing the figure on the next page, answer the following questions. Imagine that EUTRAL ZONE curves how BLACK BEAR metabolism responds to changes in ambient temperature. A) Put appropriate LABELs for points A, B, c, and D directly on the figure. B) Which curve represents a young, juvenile Black Bear cub? Why did you choose that curve over the others? c) urves 1 and 2 represent Black Bears that are the exact same size. Why might their curves be different each from other? There are several ways to think about this question... D) Each curve has three parts, labeled as l, ll, and Ill on curve 3. Describe what is happening metabolically along each of those pieces, also...make clear why they are flat or angled to different degrees. E) Physiologically, what happens at the upper and lower extremes of these curves (i.e., where they end-with the death of the mammal)?Explanation / Answer
Answer A)
Label a: Metabolic rate (VO2)
Label b: BMR
Label c: Lower critical temperature
Label d: Upper critical temperature
Answer B)
According to my understanding Curve 3 represents the TNZ (Thermal Neutral Zone) for juvenile or young black bear. Following are the reasons which might convince you to think of the same same answer:
Answer C)
Body mass plays a very important role in deciding the thermal neutral zone. Lesser the weight the LCT will be higher as it is close to the basal temperature. Thus one of the difference between curve a and b is the weight of the black bears are different.
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