Among other functions, the ____ of a vascular plant performs most of the photosynthesis conducted by the plant
a. ground tissue
b. protoderm
c. vascular tissue
d. meristem
e. dermal tissue
ANSWER: a
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A scientist is studying a population of feral cats in his city. After ten years, he notes that—for the population of feral cats he is studying—(K–N)/K = 0
Based on this information, what can he deduce about the logistic growth curve for the population at this point in time (recall Figure 46.5)? A. The curve resembles an exponential growth curve. B. The curve is at its inflection point (i.e., the rate of growth has started to slow). C. The curve has plateaued at K. D. The curve is at its steepest point.
Tropical forests receive ____
a. intense solar radiation and heavy rainfall b. moderate solar radiation and heavy rainfall c. intense solar radiation and virtually no rainfall d. moderate solar radiation and moderate rainfall e. low solar radiation and heavy rainfall
How is brain growth in humans different from other mammals?
A. In humans brain growth is complete by the third trimester. B. In humans brain growth stops at birth. C. Human growth is not allometric. D. In humans brain growth continues after birth. E. Only humans develop a cerebrum.
The bacterial chromosome
A. contains all the cell's plasmids. B. forms a single linear strand of DNA. C. is part of the nucleoid. D. is located in the cell membrane. E. All of these choices are correct.