Practice question - Metabolic rates

Prompt
The below diagram shows changes in metabolic rates dependant on body and environment temperature for two mammals, the kangaroo rat and the harbour seal.

(diagram)

Questions

When outside temperature drops below body temperature, the kangaroo rat's metabolism increases
A. at different rates but at the same body temperatures
B. at the same rate at the same body temperatures
C. at different rates at different body temperatures
D. at the same rate at different body temperatures

When outside temperature drops below body temperature, the harbour seal's metabolism increases
A. at different rates but at the same body temperatures
B. at the same rate at the same body temperatures
C. at different rates at different body temperatures
D. at the same rate at different body temperatures

Answers

Kangaroo rat - D, harbour seal - A