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

question 45

Multiple Choice

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?

• A) photosynthesis occurring in the spring while the sap is flowing
• B) absorbed from the soil.
• C) photosynthesis during the previous summer
• D) breakdown of cellulose in the tree
• E) photosynthesis that winter

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Definitions:

Scalp

The scalp is the anatomical area bordered by the face at the front, and by the neck at the sides and back, comprised of five layers and containing hair follicles and sebaceous glands.

Skin

The largest organ of the body that acts as a barrier protecting against physical, thermal, and chemical injury, and pathogens.

Olfactory Nerves

The first pair of cranial nerves, responsible for the sense of smell.

Trochlear Nerves

The fourth pair of cranial nerves, responsible for eye movement, particularly the superior oblique muscle's function which controls downward and inward eye movement.