Nature & Environment
Animals at the extremes: the desert environment
...autonomic responses, whereas reptiles and birds respond behaviourally. Answer (a) False. Most small animals avoid rather than endure heat stress, but a few species, notably ground squirrels, can tolerate T b up to 42–43°C for short periods, so for them relaxed homeothermy is part of their strategy for maintaining activity during the day. Burrow-dwelling rodents can...