Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
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. silt
- d. sand
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Decomposing organic matter in soil is called______ . a. clay d. silt b. humus e. sand c. topsoil f. leaching
What is the term used to describe the solid rock that lies beneath the soil? a. sand b. bedrock c. clay d. loam
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.
Chapter 28 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 28 - Carbon, hydrogen, and oxygen are _______ for...Ch. 28 - Decomposing organic matter in soil is called...Ch. 28 - A vascular cylinder consists of _______ a....Ch. 28 - Prob. 4SQCh. 28 - The nutrition of some plants is enhanced by a...Ch. 28 - Water evaporation from plant parts is called...Ch. 28 - Prob. 7SQCh. 28 - Prob. 8SQCh. 28 - Sieve tubes are part of ______. a. cortex b....Ch. 28 - With stomata closed, a waterproof cuticle ______...
Ch. 28 - TCE Uptake by Transgenic Plants Plants used for...Ch. 28 - TCE Uptake by Transgenic Plants Plants used for...Ch. 28 - TCE Uptake by Transgenic Plants Plants used for...Ch. 28 - TCE Uptake by Transgenic Plants Plants used for...Ch. 28 - When guard cells swell, ______ a. transpiration...Ch. 28 - Stomata open in response to light when _______ a....Ch. 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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- 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_forwardThink 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?arrow_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
- 3. _______________ soils have very low bulk density compared with mineral soils. a. Organic c. Climatic b. Inorganic d. Mineralsarrow_forwardDecomposers a. break down dead organic matter in the environment by secreting digestive enzymes. b. break down living organic matter by secreting digestive enzymes. c. destroy living cells and then break them down with digestive enzymes. d. live in close association with another species.arrow_forwardSoil in _______ is richest in carbon. a. the arctic b. the tropics c. temperate zonesarrow_forward
- Decomposing organic matter in soil is called _____. a. clay b. humus c. topsoil d. silt e. sand f. leachingarrow_forwardPlants obtain ______ by taking it up from the air. a. nitrogen c. phosphorus b. carbon d. waterarrow_forwardSoil particles are arranged in order of increasing size are A. sand, silt and clayB. silt, sand and clayC.clay, sand and siltD.clay, silt and sandarrow_forward
- What fraction of the soil represents the most active? A. Clay B. Pore spaces C. Humus D. Soil colloidsarrow_forward1. What type of soil does munggo beans grow best? A. CLAY SOIL B. SAND SOIL C. LOAM SOIL Explain whyarrow_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_forward
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