Biology Illinois Edition (Glencoe Science)
Biology Illinois Edition (Glencoe Science)
7th Edition
ISBN: 9780078759864
Author: Alton Biggs
Publisher: MCG
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Chapter 3, Problem 1A
Summary Introduction

Introduction:

The ecological succession can be defined as a process, which causes the changes in the species structure in an ecological community over the time. It could be of two types, primary and secondary. The climax community is the steady state of a balanced ecological community and it is the final stage of succession.

Expert Solution & Answer
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Answer to Problem 1A

Correct term:

Climax community.

Explanation of Solution

Explanation/justification for the correct answer:

The climax community is the steady stage and the terminal stage of the succession. At this stage, the ecological community or the forest is rich in various species, which are interdependent on one another and form a balanced ecosystem. As this stage is very balanced, all species have abundant resources for survival and the changes in species diversity is less observed. So, the species composition more or less remains the same.

Explanation for incorrect answer:

The primary succession can be described as colonization of the vegetation for the time. The primary succession takes place, where no vegetation was present before, for example, colonization of vegetation on an abundant newly formed rock. Initially, the succession result in accumulation of many different species and hence, experience a great change in the species diversity.

Conclusion

Hence, the area of forest that experiences a little change in species composition is a climax community.

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