Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 46, Problem 12SQ
Summary Introduction
Concept introduction: Air is the main reservoir of nitrogen. About 80 percent of the atmosphere is the nitrogen gas. Atoms of phosphorus are highly reactive. Therefore, phosphorus does not occur naturally in its elemental form. Most of the earth’s phosphorus is bonded to oxygen molecule as phosphate (PO43-).
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Chapter 46 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 46 - Changes in the Air To assess the impact of human...Ch. 46 - Prob. 2DAACh. 46 - Prob. 3DAACh. 46 - Prob. 4DAACh. 46 - In most ecosystems, the primary producers use...Ch. 46 - Organisms at the lowest trophic level in a...Ch. 46 - Prob. 3SQCh. 46 - Prob. 4SQCh. 46 - Efficiency of energy transfers in aquatic...Ch. 46 - Prob. 6SQ
Ch. 46 - Earths largest carbon reservoir is _______. a. the...Ch. 46 - Prob. 8SQCh. 46 - Prob. 9SQCh. 46 - The _____ cycle is a sedimentary cycle. a....Ch. 46 - Earths largest phosphorus reservoir is _______. a....Ch. 46 - Prob. 12SQCh. 46 - Nitrogen fixation converts _______ to _______. a....Ch. 46 - Prob. 14SQCh. 46 - Prob. 15SQCh. 46 - Where does your drinking water come from? An...Ch. 46 - Scientists study bubbles trapped in ancient...Ch. 46 - Nitrogen-fixing bacteria live throughout the...
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- (a) Younger plant parts/materials decompose faster compared to older more lignified plant parts/materials; (b) Materials with narrow C:N ratio will decompose more easily compared to materials with wider C:N ratio. A. If statement A is true B. if statement B is true C. both statement A and B are true D. statement A nor B are truearrow_forward26, The movement of water through the soil is determined by the type of soil only. a. True b. False 27. Sand has less surface area than clay. True b. a. False 28. How much of a growing plant cell is made up of water? a. 50-60% b. 60-70% C. 70-80% d. 80-90% e. 90-100% 29. What is the name of the process in which water is lost through the leaves? Respiration b. Assimilation a. Photosynthesis Osmosis C. d. e. Transpiration 30. What is the name of the process that allows the reabsorption of water into the roots? Respiration Assimilation a. b. Photosynthesis Osmosis С. d. e. Transpiration 1. Water molecules will aggregate together due to which type of bonds? a. molecular nonpolar hydrogen d. diatomic b. C. The bonds that hold water molecules to each other are very strong and hard to break. a. True b. False Cell water potential is affected by all of these, Except: a. Solute potential Hydrostatic pressure Gravity Temperature b. C. d.arrow_forwardDecomposing organic matter in soil is called______ . a. clay d. silt b. humus e. sand c. topsoil f. leachingarrow_forward
- Through mycorrhization, a plant obtains important nutrients such as ________. a. phosphorus, zinc, and copper b. phosphorus, zinc, and calcium c. nickel, calcium, and zinc d. all of the abovearrow_forwardIn order to increase nutrient uptake, plant roots will often exude ____ ions into the soil, which will tend to ____ the pH of the soil. Select one: a. H+, increase b. OH-, increase c. H+, decrease d. OH-, decreasearrow_forward1. What type of soil does munggo beans grow best? A. CLAY SOIL B. SAND SOIL C. LOAM SOIL Explain whyarrow_forward
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- Plants are a source of ________. a. food b. fuel c. medicine d. all of the abovearrow_forwardThe nutrition of some plants is enhanced by a mutually beneficial interaction between a root and soil bacteria. The interaction triggers formation of a_____ a. root nodule c. root hair b. mycorrhiza d. hyphaarrow_forwardCamellia and azalea are plants that produce yellow leaves, which is considered an undesirable outcome, when they are grown on alkaline soil. Which of the statements below support the fact about camellia and azalea stated above? a. Loam soil is not advisable to be used in growing camellia and azalea because of its acidity. b. Camellia and azalea should not be planted in chalk soil. c. Camellia and azalea produced yellow leaves because they are planted in acidic soil. d. Camellia and azalea require chalk soil to counter the effect of the alkaline soil used.arrow_forward
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