In the spring,before the leaves come out,maple trees are often tapped to collect sap to make syrup.The sugars were stored in the wood of the tree as starch and then released as temperatures rise above freezing in late winter.Which of the following best describes the original source of the sugars found in the sap?

Question

Quizplus · Accepted Answer

The sugars originally come from photosynthesis during the previous summer, which are stored as starch in the tree's wood. When temperatures rise above freezing, the stored sugars are released into the sap.

In the Spring,before the Leaves Come Out,maple Trees Are Often