The Pacific Gray Whale migration pattern is well established. Why do whales continue to migrate more than 13,000 miles round trip each year?
a) they breed and mate near Baja in the summer and feed in winter near Alaska
b) the winter is too cold in the Arctic for calves
c) they feed in the Arctic during the highly productive summer, which has long hours of sunlight with abundant food
d) the food is better in Baja for winter
e) all of the above
C
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