For which of the following organisms thermoregulation is energetically expensive?

Category: QuestionsFor which of the following organisms thermoregulation is energetically expensive?
Editor">Editor Staff asked 1 week ago

For which of the following organisms thermoregulation is energetically expensive?
 
(a) Large animals
 
(b) Elephants
 
(c) Humming birds
 
(d) Man
 
The question was posed to me during an internship interview.
 
This is a very interesting question from Organisms and Populations topic in chapter Organisms and Populations of Biology – Class 12

1 Answers
Editor">Editor Staff answered 1 week ago

Right answer is (c) Humming birds
 
Explanation: Thermoregulation is energetically expensive to humming birds because of their small size. The smaller is the animals; more is the heat loss from the body. Thermoregulation is energetically expensive for small animals and shrews.