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. 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.
Think about how humans rely on soil. From a human point of view, how has glaciation had a good and bad effect on Canada’s soils? A soil can include particles ranging in size from very fine clay to coarse sand. Why is neither of these soils ideal for plant growth, including agriculture?
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Soil in _______ is richest in carbon. a. the arctic b. the tropics c. temperate zonesarrow_forward3. _______________ soils have very low bulk density compared with mineral soils. a. Organic c. Climatic b. Inorganic d. Mineralsarrow_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
- ____________ have a deep layer of humus-rich topsoil. a. Deserts c. Rain forests b. Grasslands d. Seamountsarrow_forwardThe deepest, richest soil in the world occurs in (a) temperate rain forest (b) tropical rain forest (c) savanna (d) temperate grassland (e) chaparralarrow_forwardWhich of the following accurately describes life in soils? A: Soil food webs lack complexity compared to above-ground ecosystems. B: Soils contain both decomposers and predators that perform important functions. C: We would need to collect a large soil sample size to find many species. D: Soil biota sometimes support plants in taking up nutrients. E: B and D. F: B, C, and D.arrow_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_forwardWhat is the term used to describe the solid rock that lies beneath the soil? a. sand b. bedrock c. clay d. loamarrow_forwardSoil particles may be held together by which of the following to form aggregates? Group of answer choices a) Humus b) Clay c) Iron Oxides d) All of the above e. None of the abovearrow_forward
- Name 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_forwardYOU DONT HAVE TO ANSWER ALL THE QUESTIONS ANYTHING HELPS!! Read the article on the next page, then answer these questions: a. Explain how goats contributed to the erosion photo at the beginning of the article: b. Under the subtitle “Disturbing Trend…”, what are the reasons that our soil is damaged? c. What caused the “Dust Bowl”, and what can be done to avoid this type of disaster? d. Write something that you learned from the article, or a question that you have. Do we treat our soil like dirt? The effects of soil erosion By Dennis Dimick, National Geographic, adapted by Newsela staff The question above was the headline of a National Geographic article about soils in 1984. It remains as relevant today as it was back then, suggesting how little attention we continue to pay to how we grow our food. We lavish attention on our food, we want to know where it came from, who grew it, and whether it is "conventional" or "organic." But we give hardly a passing thought to the…arrow_forwardWhat are the consequences of having an excess of nutrientssuch as nitrates and phosphates running into a freshwater reser-voir in the process of eutrophication?(a) It could lead to an excess of algal and plant growth.(b) It could lead to a decrease in sunlight penetration andan increase in BOD.(c) It could lead to a long-standing rich and diverse growthof more plants and animals.(d) Both a and b.(e) Both b and c.arrow_forward
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