Simard Et Al

question 16

Multiple Choice

Simard et al. 1997) further hypothesized that if reciprocal transfer did occur, it would be a source- sink relationship driven by photosynthetic rates. That is, if one seedling is in full sun and the other in deep shade, there will be a net movement of carbon from the seedling in full sun to the one in deep shade. If a shade was placed over the birch seedlings and the cedar, and the Douglas fir was left in full sun, what result could Simard and colleagues expect?

• A) The most ¹³C would be found in the cedar.
• B) The most ¹⁴C would be found in the cedar.
• C) More ¹³C would be found in the Douglas fir than the birch.
• D) More ¹³C would be found in the birch than in the Douglas fir.

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Definitions:

Temporal Lobe

A region of the brain located beneath the temples, involved in processing sensory input into derived meanings for the appropriate retention of visual memory, language comprehension, and emotion association.

Frontal Lobe

The part of the brain located in the front of the skull, responsible for executive functions, decision making, and controlling voluntary movements.

Parietal Lobe

A region of the brain located behind the frontal lobe, involved in processing sensory information such as touch, pain, and spatial orientation.

Conceptual Model

An abstract representation that organizes and illustrates the key concepts and the relationships among them within a field of study.