Refer to the given graph which shows changes in temperature at two places X and Y over the year and answer the following questions.
The animals living at Y should be having adaptations like ________.
A Reduced sweating
B Thick layer of fur
C Ability to easily climb up and down trees.
D Gills to breathe underwater.
The book says that the correct answer is 'a' but online it shows the correct answer as'b'.