Concepts of Biology
1st Edition
ISBN: 9781938168116
Author: Samantha Fowler, Rebecca Roush, James Wise
Publisher: OpenStax College
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Textbook Question
Chapter 20, Problem 12RQ
A key feature of estuaries is
a. low light conditions and high productivity
b. salt water and fresh water
c. frequent algal blooms
d. little or no vegetation
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Chapter 20 Solutions
Concepts of Biology
Ch. 20 - Figure 20.12 Which of the following statements...Ch. 20 - Figure 20.28 In which of the following regions...Ch. 20 - Decomposers are associated with which class of...Ch. 20 - The producer in an ocean grazing food web is...Ch. 20 - Which term describes the process whereby toxic...Ch. 20 - The majority of the water found on Earth is: a....Ch. 20 - The process whereby oxygen is depleted by the...Ch. 20 - Which of the following biomes is characterized by...Ch. 20 - Which of the following biomes is characterized by...Ch. 20 - Why is the tundra treeless? a. lack of sufficient...
Ch. 20 - Where would you expect to find the most...Ch. 20 - A key feature of estuaries is a. low light...Ch. 20 - Compare grazing and detrital food webs. Why would...Ch. 20 - Why are drinking water supplies still a major...Ch. 20 - The extremely low precipitation of subtropical...Ch. 20 - In what ways are the subtropical desert and the...Ch. 20 - Describe the conditions and challenges facing...
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- Why are estuaries irreplaceable?arrow_forwardA salmon has higher mercury levels than phytoplankton. This is due to______? A. Food-web magnification B. Bioaccumulation C. Biomagnification D. Persistent organic pollutionarrow_forwardBiomagnification is the process by which the level of contaminants increase as they move upwards in a food chain. If bivalves in the Chesapeake Bay become contaminated from run-off, which organism will experience the highest level of contamination? a) Bivalves b) Sea duck c) Tundra swan d) Bald eaglearrow_forward
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- One industry that is in need of sustainable practices is the fishing industry. Which of the following is a sustainable way to harvest from the ocean? a dredging b trawling c longlining d rotatingarrow_forwardHow do bio-indicators determine the health of a water system? A. A few species of macro-invertebrates will be present in a healthy body of water B. Many different species of macro-invertebrates will be present in a healthy body of water C. No species of macro-invertebrates will be present in a healthy body of water D. There is no relationship between the number of species of bio-indicators and the health of a body of waterarrow_forwardThe 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_forward
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