Question

What is the central idea of the following paragraph?

“The beetles worked slowly. For a year or two after their release, little changed. Then tracts of trees along riverbanks began to turn brown. In the winter, when the beetles snuggled down beneath leaf litter, some salt cedar recovered. But most trees couldn’t withstand several years of repeated attacks. Beetle larvae robbed them of their photosynthetic power by removing their leaves. The experiment was working.”

Responses

Over time, the beetles were successful in killing the salt cedar trees.


The winter caused the beetles to not be as effective.


The salt cedar trees were able to recover from the beetles attacks.


The beetles were able to use photosynthesis to kill off the salt cedar trees.


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Answer 1

Step-by-step explanation:

The beetles were able to use photosynthesis to kill off the salt cedar trees.

Answer 2

The central idea of the paragraph is that an experiment involving beetles being released to kill salt cedar trees was successful over time, as the beetles gradually killed off the trees by removing their leaves and robbing them of their photosynthetic power. Therefore, the correct response is: "Over time, the beetles were successful in killing the salt cedar trees."

Step-by-step explanation: