Using Science to Analyze Nature

question 10

Multiple Choice

Using science to analyze nature

• A) is a practice that requires a high degree of education.
• B) adds depth to our understanding and therefore adds to our appreciation of nature.
• C) reduces our sense of awe because it explains how things work.
• D) is futile because scientific knowledge is imperfect.

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Definitions:

Translocation

The movement of substances within a plant, particularly the transport of sugars and other molecules from leaves to other tissues via the phloem.

Pressure-Flow Model

A hypothesis describing how nutrients, especially sugars, are transported in plants from sources to sinks via the phloem.

Translocation

A chromosomal abnormality where a segment of one chromosome is transferred to another chromosome.

Pressure-Flow Model

A hypothesis that explains how sugars are transported in plants, suggesting that pressure differences move solutes through phloem sieve tubes.