Certain trees, in fact, produce seeds only when fire heats them. If the fire removes thick shrubs and undergrowth, the water supply increases, aiding other plants and local animals. Fire also may kill predatory insects or pests that live on and damage otherwise healthy trees.

Which set of context clues best points to the correct definition of undergrowth in the second sentence?
"insects, pest, fire"
"seeds, fire, animals"
"thick shrubs, plants"
"water supply"

The set of context clues that best points to the correct definition of undergrowth in the second sentence is "thick shrubs, plants."

The set of context clues that best points to the correct definition of undergrowth in the second sentence is "thick shrubs, plants".

The correct set of context clues that best points to the correct definition of undergrowth in the second sentence is "thick shrubs, plants".

This is because undergrowth refers to the vegetation, such as shrubs and plants, that grows underneath larger trees in a forest. In this context, the sentence is explaining how the fire removes the thick shrubs and undergrowth, which in turn helps increase the water supply and aids other plants and local animals. The presence of "thick shrubs" alongside "plants" is a clear indication that undergrowth is referring to the vegetation in this case.