Biology: Life on Earth with Physiology (11th Edition)
Biology: Life on Earth with Physiology (11th Edition)
11th Edition
ISBN: 9780133923001
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Chapter 30, Problem 12RQ
Summary Introduction

To distinguish:

Between the eutrophic and oligotrophic lakes.

Introduction:

The freshwater lakes are formed when natural depressions get filled with water. In temperate climates, large lakes possess distinct zones of life. In aquatic ecosystems, the nutrients tend to be concentrated at the bottom as sediments. Thus, in these areas, the level of a nutrient is high and the level of sunlight is low. The freshwater lakes are classified on the basis of nutrient content.

Summary Introduction

To describe:

A human-made scenario and a natural scenario under which there will be the conversion of the oligotrophic lake into the eutrophic lake.

Introduction:

The freshwater lakes are classified into two categories; oligotrophic and eutrophic. Oligotrophic word refers to ‘poorly fed’ and eutrophic refers to ‘well-fed’.

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Which of the following is true of oligotrophic lakes?
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