Because they found so many ways to use them
The answer would be B. Chloroplasts
I believe the answer is A
Hamatsa is the name of a Kwakwaka'wakw secret society. The secret society is set in British Colombia, Canada. At the centre of the Winter Ceremonies is a dance we rank among the highest: the Hamat'sa (Cannibal Dance). The dance comes from the spirit of Baxbakwalanuksiwe’ (The Man Eater from the North End of the World).
Places with higher latitudes,do not receive much solar radiation than those at the equator.Hence are cooler. So the type of environment there is determined by the climate conditions.