1. Once CO2 enters the leaves of a tree, the carbon atoms can eventually move to a. the soil b. leaf litterfall e. the air c. the roots d. branches, stems, and leaves 8. Under which of the following conditions would a tree add biomass and grow'? a. Over time, a tree releases more carbon back to the air via respiration than it takes in via photosynthesis. b. Over time, a tree takes in more carbon via photosynthesis than it releases back to the air via respiration. c. Over time, a tree takes in the same amount of carbon via photosynthesis as it releases back to the air via respiration. 9. Carbon atoms get stored in new organic carbon compounds created by what process? b. Biosynthesis a. Respiration c. Photosynthesis 10. The source of a tree's biomass is mostly from b. water C. air d. carbon dioxide a. soil compo

1. Once CO2 enters the leaves of a tree, the carbon atoms can eventually move to a. the soil b. leaf litterfall e. the air c. the roots d. branches, stems, and leaves 8. Under which of the following conditions would a tree add biomass and grow'? a. Over time, a tree releases more carbon back to the air via respiration than it takes in via photosynthesis. b. Over time, a tree takes in more carbon via photosynthesis than it releases back to the air via respiration. c. Over time, a tree takes in the same amount of carbon via photosynthesis as it releases back to the air via respiration. 9. Carbon atoms get stored in new organic carbon compounds created by what process? b. Biosynthesis a. Respiration c. Photosynthesis 10. The source of a tree's biomass is mostly from b. water C. air d. carbon dioxide a. soil compo

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter34: Transport In Plants

Section: Chapter Questions

Problem 9TYK: An indoor gardener leaving for vacation completely wraps a potted plant with clear plastic....

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The main source(s) of hydrogen and oxygen for plants is (are)____ . a. soil and air c. water and fertilizer b. water and soil d. water and air
8.Which of the following may be true of atmospheric CO2? A) The ocean will absorb the excess atmospheric CO2. B) Plant photosynthesis cannot compensate for increased atmospheric CO2. C) When tropical forests are logged, additional CO2 is released into the atmosphere. D) As permafrost melts, more atmospheric CO2 will be absorbed. 10._______________ is accelerated by salts in irrigation systems.
1.) a.Name two biological processes involved in rapid carbon exchange: b.Name two geologic processes involved in long-term carbon exchange:
Trees literally grow out of thin 1)________ , incorporating 2)__________ from CO2 into glucose. As CO2 levels rise, 3)__________ may also increase, but increased CO2 leads to 4)________ global average temperatures, which may limit where trees can grow. Here is the choices for the questions: a) aire b) higher c) carbon d) photosynthesis
An indoor gardener leaving for vacation completely wraps a potted plant with clear plastic. Temperature and light are left at low intensities. The effect of this strategy is to: a. halt photosynthesis. b. reduce transpiration. c. cause guard cells to shrink and stomata to open. d. destroy cohesion of water molecules in the xylem. e. increase evaporation from leaf mesophyll cells.
Closed stomata ________. a. limit gas exchange c. prevent photosynthesis b. permit water loss d. absorb light
The major source of nutrients in the headwaters of a small stream is form: a. dead leaves and other organic matter from adjacent land. b. photosynthesis by phytoplankton. c. photosynthesis by floating aquatic plants. d. the activity of chemoautotrophic bacteria. e. minerals from the underlying bedrock.
Where is chlorophyll located in the chloroplast? (a) thylakoid membranes (b) stroma (c) matrix (d) thylakoid lumen (e) between the inner and outer membranes
Which of the following does not influence soil pH? a. rainfall b. the outward expansion of root systems c. release of sulfur and nitrogen oxides into the air d. decomposition of organisms e. weathering of rock
You decide to plant a garden with a beautiful black walnut tree at one end and a majestic white oak at the other end. You are quite disappointed, however, when none of the seeds you plant around the walnut tree grow. What might explain this observation? a. The walnut tree filters out too much light, so the seeds fail to germinate. b. The roots of the walnut tree deplete all of the nutrients from the soil, so the new seedlings starve. c. The walnut tree produces chemical toxins that prevent seed germination.
Gas exchange in a plant's leaf consists of _____ entering the leaf tissue, and _____ exiting from it. A)oxygen (O2); carbon dioxide B)carbon dioxide; ammonia C)carbon dioxide; oxygen (O2) D)water; carbon dioxide 16.
Why do land plants have stomates (sometimes called stomata)? a. To allow plants to take in carbon dioxide from the atmosphere. b. All of the choices are true; none are false. c. To control water loss while allowing for the uptake of some raw materials of photosynthesis. d. They allow the plant to have some control over transpiration rates.