When monarch butterflies arrive in Mexico from Canada and the United States, they converge on oyamel fir trees. The trees provide shelter to monarch butterflies they are also essential to the communities that surround the forests. In the past, residents used the wood for cooking and heating, but recently, they have began to sell it in order to support their livelihoods. As a result of logging oyamel fir trees, the habitat of the monarch butterfly population has shrunk.
Compare how residents have used oyamel fir trees in the past to how they currently use the trees.
A)In the past, residents used the trees only for personal needs like cooking and heat, but now they sell the wood to others to earn money.
B)In the past residents avoided using the trees in the conservation biosphere, but now they have to use those trees as well.
C)The increase in population has led to residents cutting down more trees than they have in the past.
D)In the past residents earned money by selling wood from the trees, now they are given money by the government and don't cut the trees.

Question

Quizplus · Accepted Answer

In the past residents used the trees only for their own cooking and heating needs. Now, to earn a living, they cut down the trees and sell the wood. This is a recent change and has led to the destruction of the monarch butterfly habitat.

When Monarch Butterflies Arrive in Mexico from Canada and the United