The accompanying figure illustrates a ____
a. book lung
b. tracheal system
c. set of gills
d. lung micrograph
e. circulatory system
ANSWER: a
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How does a longer alimentary canal create an advantage in processing plant material?
A. Increased time of digestion allows for more processing. B. More volume means more food can be consumed. C. It creates positive feedback for decreased enzymatic activity.
Which term refers to primary and secondary xylem that can no longer transport water and solutes, but which instead is strengthened dry tissue where some defensive compounds are stored?
a. sapwood b. bark c. vascular cambium d. heartwood
Scar formation is defined as:
a. primary union b. regeneration c. mitotic cellular repair d. fibrous connective tissue repair
Which grouping of elements is found in carbohydrates?
A. N - S - O B. Ca - H - O C. C - H - P D. C - H - O E. H - O - Cl