BIOLOGY W/CONNECT >IP<
11th Edition
ISBN: 9781259910487
Author: Raven
Publisher: MCG CUSTOM
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Chapter 57, Problem 5U
Summary Introduction
Introduction:
The biogeochemical cycles involve the cycling of the elements throughout the ecosystem. It involves the
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Which of the following statements about the phosphorus cycle is correct?
a. Phosphorus is fixed by plants and algae.
b. Most phosphorus released from rocks is carried to the oceans by rivers.
c. Animals cannot get their phosphorus from eating plants and algae.
d. Fertilizer use has not affected the global phosphorus budget.
In the phosphorus cycle, all phosphorus originates from which of the following inaccessible reservoirs?
Group of answer choices
Runoff
Rocks
Animals
Plants
Which one of the following statements best describes projected water demands in the coming decades?
Group of answer choices
A Global water demand will increase mainly in developed countries
B Water demand will increase significantly in all countries
C Global water demand will increase, but agricultural demand will decrease
D Global water demand will increase mainly due to increased agricultural demand
Chapter 57 Solutions
BIOLOGY W/CONNECT >IP<
Ch. 57 - Which of the statements about groundwater is NOT...Ch. 57 - Photosynthetic organisms a. fix carbon dioxide. b....Ch. 57 - Prob. 3UCh. 57 - Nitrogen is often a limiting nutrient in many...Ch. 57 - Prob. 5UCh. 57 - Prob. 6UCh. 57 - Inverted ecological pyramids of real systems...Ch. 57 - Prob. 8UCh. 57 - Prob. 9UCh. 57 - The equilibrium model of island biogeography...
Ch. 57 - Based on results from studies at Hubbard Brook...Ch. 57 - According to the trophic cascade hypothesis, the...Ch. 57 - At Cedar Creek Natural History Area, experimental...Ch. 57 - Given that ectotherms do not utilize a large...Ch. 57 - Given that, in general, energy input is greatest...Ch. 57 - Prob. 3SCh. 57 - Explain several detailed ways in which increasing...
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- Which of the following serves as evidence of water pollution? a an abundance of water plants in lakes b increase in temperature c indicator species d carbon sinksarrow_forwardWhen the sulfur dioxide released from burning fossil fuels reacts with water vapor in clouds, sulfuric acid forms. a. Is sulfuric acid a primary or secondary pollutant? b. Is the pollution in this example point or non-point? C.Is the pollution in this example acute or chronic?arrow_forwardThelargest reservoir of phosphorus in most ecosystems is phosphorus:a. inthe atmosphere.b.dissolved in water.c. inrocks and sediments.d.bound in animal tissues.e.bound in plant tissues.arrow_forward
- From the nitrogen cycle diagram below, which of the following is/are a process by which nitrogen can move into the dissolved ocean nitrogen pool? (Select all that apply) A- Denitrification B- Runoff C- Fossil fuel burning D- Agricultural N fixation E- Natural N fixationarrow_forwardWhich of the following is a point source of pollution? a runoff from multiple large agricultural fields that carries chemicals like fertilizers and pesticides b sewer overflow of untreated waste c runoff from multiple farms pollutes a small lake d runoff that carries oil and spilled chemicals off interstate highwaysarrow_forwardPlace the following components of the hydrologic cycle in the correct order by numbering them from 1 to 5, beginning with precipitation. a. precipitation b. uptake by plants c. transpiration d. water percolation into soil e. condensationarrow_forward
- Which of the statements about freshwater distribution and use is correct?a. Freshwater supplies are evenly distributed throughout the world.b. About 10% of the world’s water is freshwater.c. The supply of freshwater can limit the carrying capacity of a region.d. Freshwater supplies generally are unaffected by the water cycle.arrow_forwardWhich of the following processes is not directly involved in the hydrologic cycle? (a) transpiration (b) evaporation (c) precipitation (d) nitrification(e) condensationarrow_forwardWater droplets in clouds combine and grow heavier. Which step in the water cycle MOST LIKELY happens next? a. water evaporates to form water vapor b. water in the air condenses to form droplets c. water flows downhill as runoff d. water falls to the ground as precipitationarrow_forward
- A sizable amount of the nitrogen and phosphorus that enters the Chesapeake Bay originates from farms and other faraway sources, yet it is people living near the bay, such as oystermen and crabbers, who bear many of the negative impacts. Who do you believe should be responsible for addressing the problems posed by nutrient pollution? Should policies on this issuebe developed and enforced by state governments, the federal government,both, or neither? Explain the reasons for your answer.arrow_forwardOf the following benefits, which one is the main potential benefit of water markets? Group of answer choices A. More water is available for lower-income households B. More water is available for agricultural uses C. Water is used for its most highly-valued purposes D.There will be no more water forgeryarrow_forwardYou are a commercial developer, and you were asked to develop a golf course on what is presently forested land next to a reservoir used for city water. Describe the impacts this development might have on water quality in the reservoir. (HINT: think of pollution from clearing the land as well as growing grass for the golf course)arrow_forward
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