A normal pitcher has a narrow keel and a wide pitcher opening, maximizing the potential for trapping prey. On the other hand, a leaf optimized for photosynthesis has a wide keel and a small pitcher opening. Based on this observation and the figure, what conclusion can be drawn?
A. high phosphorus correlates with an increase in photosynthetic ability
B. high nitrogen correlates with a decrease in photosynthetic ability
C. high nitrogen correlates with an increase in trapping ability
D. high phosphorus correlates with an increase in trapping ability
E. high nitrogen correlates with an increase in photosynthetic ability
E. high nitrogen correlates with an increase in photosynthetic ability
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An individual who is experiencing a prolonged period of stress would likely have ______ levels of circulating _______ than an individual who was not experiencing stress
A. higher; cortisol B. lower; cortisol C. higher; ADH D. lower; ADH E. lower; ACTH
About ____ couples are affected by infertility
a. 0.5% of b. 1 in 6 c. 1 in 10 d. 1 in 100 e. 25% of
An increase in air temperature will result in ____ water vapor in the atmosphere because warm air
holds _____ water vapor than cold air does.
a. more; less b. more; more c. less; less d. less; more e. no change in; less
This mammal has forward facing eyes, can
rotate its front limbs 360 degrees, nails instead of claws, and hair. This animal is
a. an orangutan. b. a rat. c. a lemur. d. a bird. e. more than one of these