Himani while watching a TV programme based on life in polar region observed that all animals in polar regions possess larger size. Also, smaller animals are not found in that region. She asked about this surprising fact to her teacher.
(i) Why smaller animals (e.g. humming birds) are rarely found in polar regions?
(ii) What are the adaptations shown by polar animals?
(iii) What are the chief characteristics of polar region animals?
(iv) What values are shown by Himani?