Which pigment(s) is/are characteristic of chlorophytes?
a. chlorophyll a
b. phycobilins
c. chlorophyll b
d. fucoxanthin
e. chlorophylls a and b
ANSWER: e
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Recall that sedimentary rocks, living organisms, oceans, and soil are all carbon reservoirs. If the carbon in each of these reservoirs was instantly transformed into atmospheric CO2, which reservoir would contribute the most CO2 to the atmosphere?
A. sedimentary rocks B. living organisms C. oceans D. soil
In what groups of vertebrates can you find internal fertilization? (Select all correct choices.)
A. mammals B. reptiles C. birds D. fish E. frogs
You manage 300 acres of patchy temperate forest. Which one of the following actions would increase the net primary productivity of the area the most?
A) adding fertilizer to the entire area B) introducing 100 rabbits into the area C) planting 500 new trees D) relocating all of the deer found in the area E) allowing dead trees to rot in the forest instead of removing them
What effect does "pinching back" have on a houseplant?
a. increases apical dominance b. inhibits the growth of lateral buds c. produces a plant that will grow taller d. stimulates lateral buds to grow e. increases the flow of auxin down the shoot