Question

Which of these structural adaptations allow the polar bear to survive in cold environment ? (a) Thick covering of fur (b) A fat layer beneath the skin (c) Thin covering of fur (d) No fat layer beneath the skin
(1) a and b
(2) a, b and c
(3) c only
(4) d only

Answer 1

(1) a and b

(a) Thick covering of fur

(b) A fat layer beneath the skin