Campbell Essential Biology with Physiology (5th Edition)
5th Edition
ISBN: 9780321967671
Author: Eric J. Simon, Jean L. Dickey, Jane B. Reece, Kelly A. Hogan
Publisher: PEARSON
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Chapter 20, Problem 12PS
Summary Introduction
To describe:
The functions that organisms will perform to support six people for two years in a self-contained space station to be assembled in orbit to create an ecosystem.
Introduction:
An ecosystem consists of both biotic (living organisms) and abiotic (physical) factors. No individual can survive without plants on earth, as plants provide us oxygen for breathing. To maintain ecological balance animals are also as much necessary as plants. The selection of organisms and the number of them is very important for creating an ecosystem. If we take more plants then they may become congested and die and if we use more animals then they will consume more oxygen which less plants could not produce, thus animals will die.
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Chapter 20 Solutions
Campbell Essential Biology with Physiology (5th Edition)
Ch. 20 - Prob. 1SQCh. 20 - According to the concept of competitive exclusion,...Ch. 20 - Prob. 3SQCh. 20 - Match each organism with its trophic level (you...Ch. 20 - Why are the top predators in food chains most...Ch. 20 - Over a period of many years, grass grows on a sand...Ch. 20 - Prob. 7SQCh. 20 - Local conditions, such as heavy rainfall or the...Ch. 20 - Prob. 9SQCh. 20 - Prob. 10SQ
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