Biology: Life on Earth
10th Edition
ISBN: 9780321729712
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: Benjamin Cummings
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Textbook Question
Chapter 29, Problem 12RQ
Distinguish among the littoral, limnetic, and profundal zones of lakes in terms of their location and the communities they support.
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Chapter 29 Solutions
Biology: Life on Earth
Ch. 29 -
1. The tilt of Earth on its axis produces...Ch. 29 - Of the four major requirements of life, which are...Ch. 29 -
3. The most biologically diverse terrestrial...Ch. 29 - Fill-in-the-Blank In the___________ biome, most of...Ch. 29 - The shallow portion of a large freshwater lake is...Ch. 29 - The primary producers of the open ocean are mainly...Ch. 29 - Explain how air currents contribute to the...Ch. 29 - Prob. 2RQCh. 29 - Explain why traveling up a mountain in the...Ch. 29 -
4. Where are the nutrients of the tropical...
Ch. 29 - Explain two undesirable effects of agriculture in...Ch. 29 - List some adaptations of desert cactus plants and...Ch. 29 - Prob. 7RQCh. 29 - Prob. 8RQCh. 29 - Prob. 9RQCh. 29 -
9. What environmental factor best explains why...Ch. 29 - Where is life in the oceans most abundant, and...Ch. 29 -
11. Distinguish among the littoral, limnetic, and...Ch. 29 - Prob. 13RQCh. 29 - 13. Compare the source, transition, and floodplain...Ch. 29 -
14. Distinguish between the photic and aphotic...Ch. 29 - In which terrestrial biome is your college or...Ch. 29 - Fairbanks, Alaska, the plains of eastern Montana,...Ch. 29 -
2. Using Figures 30–3 and 30–4 as starting...
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- Explain how streams can cleanse themselves andhow these cleansing processes can be overwhelmed.What is wastewater? Describe the state of streampollution in more- and less-developed countries.Give two reasons why lakes cannot cleanse themselves as readily as streams can. Distinguish betweeneutrophication and cultural eutrophication. Listways to prevent or reduce cultural eutrophication.Explain why groundwater cannot cleanse itself verywell. What are the major sources of groundwatercontamination in the United States? List ways to prevent or clean up groundwater contamination. Listsome ways to purify drinking water. Describe the environmental problems caused by the widespread useof bottled water.arrow_forwardDescribe the structure of aquatic ecosystems.arrow_forwardShould each community be held liable for the water quality of the aquatic ecosystems to which it is connected?arrow_forward
- Other than precipitation, discuss how two other parts of water cycle are influenced by droughts. Why can/can’t the answer be evaporation, transpiration and condensation?arrow_forwardWhy are wetlands sites of high biodiversity and productivity?arrow_forwardExplain how nutrient-rich runoff can cause waters to become hypoxic.arrow_forward
- Explain how streams can cleanse themselves ofoxygen-demanding wastes and how these cleansing processes can be overwhelmed. What is wastewater? Describe the state of stream pollution inmore-developed and less-developed countries.Give two reasons why lakes and reservoirs cannotcleanse themselves of pollutants very well. Define and distinguish between eutrophication and cultural eutrophication. List three ways to prevent orreduce cultural eutrophication. What are the majorsources of groundwater contamination in the UnitedStates? Explain why groundwater cannot cleanseitself very well. List three ways to prevent or cleanup groundwater contamination. List some ways topurify drinking water. Describe the purification ofdrinking water in more-developed and less-developedcountries. Describe environmental problems causedby the widespread use of bottled water. How are lawsused to protect drinking water in the United States?List three ways to strengthen the U.S. Safe DrinkingWater Act. Describe how…arrow_forwardhow do density-dependent and density- independent limiting factors relate to biotic sand abiotic limiting factors?arrow_forwardWhich of the following is a characteristic of terrestrial biomes? CHECK ALL THAT COULD APPLY A)annual average rainfall in excess of 25 cm B)they show strong latitudinal patterns C)specific microorganisms, fungi and animals D)the presence of photosynthetic organisms E)vegetation demonstrating vertical stratificationarrow_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. retrophication d. depletionarrow_forwardEmergent vegetation grows in the __________ zone of freshwater lakes, (a) littoral (b) limnetic (c) profundal (d) neritic (e) intertidalarrow_forwardRelate human activities and water loss?arrow_forward
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