BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 44, Problem 12SA
Summary Introduction
Introduction:
Marshes are areas where water drenches the soil, and covers the land for almost throughout the year. It is a type of wetland and it is rich in nutrients and remains as a habitat for various plants and animals.
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A salmon has higher mercury levels than phytoplankton. This is due to______?
A. Food-web magnification
B. Bioaccumulation
C. Biomagnification
D. Persistent organic pollution
Which aquatic area would be least impacted by human activity?
Multiple Choice
A) Salt marshes
B) Open ocean
C) Freshwater river
D) Coastal waters
The orderly progress of communities, starting from bare rock with no soil or traces of a previous community, is calleda. primary succession.b. secondary succession.c. subclimax community.d. climax community.
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