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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Textbook Question
Chapter 28, Problem 2SQ
Decomposing organic matter in soil is called _____.
- a. clay
- b. humus
- c. topsoil
- d. silt
- e. sand
- f. leaching
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Decomposing organic matter in soil is called______ . a. clay d. silt b. humus e. sand c. topsoil f. leaching
A soil consists of layers called ________ that taken together are called a ________. a. soil profiles : horizon b. horizons : soil profile c. horizons : humus d. humus : soil profile
1. What type of soil does munggo beans grow best?
A. CLAY SOIL
B. SAND SOIL
C. LOAM SOIL
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Chapter 28 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 28 - Prob. 1DAACh. 28 - Prob. 2DAACh. 28 - Prob. 3DAACh. 28 - Prob. 4DAACh. 28 - Prob. 1SQCh. 28 - Decomposing organic matter in soil is called...Ch. 28 - Prob. 3SQCh. 28 - Prob. 4SQCh. 28 - Prob. 5SQCh. 28 - Prob. 6SQ
Ch. 28 - Water evaporation from plant parts is called...Ch. 28 - Prob. 8SQCh. 28 - Prob. 9SQCh. 28 - Sieve tubes are part of ______. a. cortex b....Ch. 28 - With stomata closed, a waterproof cuticle ______....Ch. 28 - Prob. 12SQCh. 28 - Prob. 13SQCh. 28 - Prob. 14SQCh. 28 - Prob. 15SQCh. 28 - Nitrogen deficiency stunts plant growth and causes...Ch. 28 - You just returned home from a three-day vacation....Ch. 28 - Prob. 3CTCh. 28 - Prob. 4CTCh. 28 - Prob. 5CT
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- What fraction of the soil represents the most active? A. Clay B. Pore spaces C. Humus D. Soil colloidsarrow_forward3. _______________ soils have very low bulk density compared with mineral soils. a. Organic c. Climatic b. Inorganic d. Mineralsarrow_forwardWhich of the following is not an element of soil sustainability? a. Green manures b. Plowing C. Mulching d. Mixed farming e. Contour plowing Which of the following is not a phenolic a. Flavones b. Anthocyanins С. Coumarins d. Rubber e. Taninsarrow_forward
- The layer of soil that is closest to the surface is known as the ______________ horizon. Question 7 options: a. surface b. organic c. substratum d. bedrock e. subsoil.arrow_forwardName the following as soil forming processes: a. Soil erosion b. Formation of humus c. Weathering of sand d. Nutrients absorbed by plant roots e. deposition of organic matter f. Leaching of water along with dissolved ionsarrow_forwardThe 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 airarrow_forward
- The process whereby nitrogen is brought into organic molecules is called ________. a. nitrification b. denitrification c. nitrogen fixation d. nitrogen cyclingarrow_forwardWhich factors affect soil quality? a. chemical composition b. history of the soil c. presence of living organisms and topography d. all of the abovearrow_forward(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_forward
- A. The weathering and erosion in the area happens deep under the soil so the area looks unaffected B. Less sediment flows into the area because the vegetation soaks up all the water and makes its drier. C .the high amount of vegetation in the area causes more roots to hold the soil in place against weathering. D. The high amount of vegetation in the area causes an increase in oxygen causing stronger more stable soil.arrow_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_forward48. is a light and porous soil that tends also to accumulate ..... organic matter. O Aerosolic dust O Loess O Volcanic ash O Dune sandarrow_forward
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