Question

Question 41 Not yet answered Reindeer have low energy costs in cold environments because of their Points out of 1.00 F Flag question Select one: O a. pelage. O b. hypodermis O c. skin. O d. antlers Question 42 Not yet answered In winter, reindeer is Points out of 1.00 F Flag question Select one: O a. fur; 3-4 cm thick. O b. skin; 3-4 cm thick. O C. skin; 1-2 cm thick O d. fur; 1-2 cm thick. Question 43 In winter, reindeer have low energy costs because they Not yet answered Points out of 100 F Flag Select one: O a hide in caves where the temperature is warmer, O b. maintain different temperatures in different body parts. O c. change their behavior by constantly moving to warm up. d increase their heart rate. o Question 44 Not yet answered According to the experiment done by Nilssen et al. (1984), the resting metabolic rate in adult reindeer during winter Points out of 1.00 P Flag question Select one: O a decreases significantly as the air temperature changes from 20°C to 40°C. O b. remains about the same as the air temperature changes from 0°C to 10°C. O c. increases dramatically as the air temperature changes from -40°C to -20°C. O d. decreases drastically as the air temperature changes from 0°C to 10°C.

Answer 1

Answer 41- 'a' pelage means fur which provides isolation.

Answer42- 'a' the fur of reindeer is of 3-4 mm thickness

Answer 43- 'D'

Answer 44- 'D'. Metabolic rate increases with decrease in temperature