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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Chapter 46, Problem 15SQ
Summary Introduction
To match: The given terms with their suitable descriptions.
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Chemoautotrophs can survive on ____________ alone.a. minerals
b. CO2
c. minerals and CO2 d. methane
Fill in the blank based off the graph:
Most of the mercury emitted in South and Central America was through ________
A. artisanal and small-scale gold miningB. fossil fuel combustionC. metal productionD. cement production
We learned an ironic twist in the film called "The Other Inconvenient Truth." It was that
a. agriculture creates more pollution than other sources, but we have to increase farming for the growing population
b. that nitrogen in the soil is significant pollution, but if we don't use these fertilizers we will not have enough food
c. That methane is produced by animals and by growing rice. So becoming vegetarian won't clear methane from the atmosphere.
d. agriculture uses 70% of fresh water mined , causing a salt water pollution too
Chapter 46 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 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. 6SQCh. 46 - Earths largest carbon reservoir is _______. a. the...Ch. 46 - Carbon is released into the atmosphere by _____ a....Ch. 46 - Prob. 1DAACh. 46 - Prob. 2DAA
Ch. 46 - Changes in the Air To assess the impact of human...Ch. 46 - Changes in the Air To assess the impact of human...Ch. 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 - Marguerite plants a vegetable garden in Maine....Ch. 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...Ch. 46 - As noted in Section 46.7, mycorrhizal fungi help...
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- The process whereby nitrogen is brought into organic molecules is called ________. a. nitrification b. denitrification c. nitrogen fixation d. nitrogen cyclingarrow_forwardI may have the answer but I'm not surearrow_forward1. Which form of carbon is found in aquatic environments, but never as a gas in the atmosphere? A. calcium carbonate (CaCO:) B. carbon monoxide (CO) C. carbon dioxide (CO2) D. methane (CH4) E. water (H2O)arrow_forward
- Organisms that use/degrade carbon compounds from food containing organic carbon to extract energy are called __________, whereas organisms that utilize CO2 from the air and often obtain energy from the sun are called ______________. A. heterotrophs; lithotrophs B. heterotrophs; autotrophs C. autotrophs; heterotrophs D. lithotrophs; autotrophs E. autotrophs; lithotrophsarrow_forwardBiogas is produced as a result of which of the following Process? a. Decomposition b. Conduction c. Burning d. Digestionarrow_forwardHuman use of fossil fuels has what consequences? Group of answer choices a. increase in CO2 concentration in the atmosphere b. return of fossilized carbon to the active carbon cycle c. increase in global temperatures d. all of the other optionsarrow_forward
- The process whereby oxygen is depleted by the growth of microorganisms due to excess nutrients in aquatic systems is called ________. a. dead zoning b. eutrophication c. retrofication d. depletionarrow_forwardD. The rock eventually disappeared 5. How can phosphate deposlts on sedimentary rock unde ocean get to cycle again? A. Through weathering B. Through assimilation C. Through decomposition D. Through geologic uplifting Post test! DIRECTIONS: Write the letter of the correct answer on the blank. 1. All of the f. are ways to bring nitrogen back into the sol except: A. Animal wastes C. Denitrification 5/12 B. Decompositlon D. Precipitation 2. What form of sulfur reacts with water to form acid rain? A. Sullur trioxide C. Sulfur gas B. Sulfuric acid D. Hydrogen sulfide 3. All of the ff, are activities that add sulfur to the atmosphere except: A. Combustion of fossil fuels C. Volcanic activities B. Photosynthesis D. Decomposition 4. Why does nitrogen gas needed "fixation"? A. Nilrogon gas needs to be broken down into simpler forms B. Animals cannot breathe in nitrogen gas, it needed to be fixed first. C. Nitrogen gas is a flammable gas. Fixation is needed to avoid ignition D. Plants cannot…arrow_forward4. When organisms die, __________ starts to decay. * a. Nitrogen-14 b. Carbon-14 c. Calcium d. Hydrogenarrow_forward
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