Which of the following is TRUE concerning
the C4 pathway?
a. It produces large amounts of carbohydrates.
b. It feeds into the C3 pathway.
c. It is the mechanism of photorespiration.
d. It involves the activity of rubisco.
e. All of these are true
B
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Nanophytoplankton is
a. 2.0 to 20 microns. b. 20 - 200 microns. c. 2 - 20 mm. d. 20 - 200 cm. e. 20 - 200 mm.
What is a bulb?
a. a short section of underground stem encased by overlapping layers of scales b. a short, thickened underground stem that contains nodes c. a flattened, photosynthetic stem specialized to store water d. a fleshy stem that typically grows under the soil and parallel to its surface e. a stems that branches from a plant’s main stem and grows horizontally on the ground
Which statement about obesity is FALSE?
a. The number of fat cells in an adult is determined by the amount of fat stored during childhood. b. Genetics, not overeating, is responsible for obesity. c. Obesity can result from an increase in the size and/or number of fat cells. d. Many of the factors involved in obesity are inherited. e. To lose weight, energy intake must be less than energy output.
Any speciation that does not involve geographic isolation is a type of ________ speciation
Fill in the blank(s) with correct word