Concept explainers
Introduction :
An ecosystem can be defined as a community of living organisms in association with the non-living components of their environment and interacting with one another as a system. The nonliving or abiotic and living or biotic components are linked together through nutrient cycles and energy flow.
Answer to Problem 5A
Correct answer :
The correct answer is option (B) Wind blowing through its branches.
Explanation of Solution
Explanation/justification for the correct answer :
Option (B) Wind blowing through its branches. In an ecosystem, there exists a relationship between the biotic and abiotic components. The biotic components include the living organisms. Abiotic components or abiotic factors are the non-living physical and chemical components or factors like air, light, soil, water, etc. So, the correct answer is option (B).
Explanation for incorrect answer :
Option (A) A caterpillar eating its leaves. Any living organism of an ecosystem is included as the biotic component. Organisms which grow, reproduce and after completing their life cycle perish are the biotic constituent of any ecosystem. So, this is an incorrect answer.
Option (C) A bird nesting in its branches. The ecosystem consists of two components which are the biotic component and the abiotic component. Biotic components are any living components that affects other organisms and helps to shape the ecosystem. Birds are important biotic components of any ecosystem. So, this is an incorrect answer.
Option (D)
Chapter 2 Solutions
Biology Illinois Edition (Glencoe Science)
Additional Science Textbook Solutions
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Campbell Biology in Focus (2nd Edition)
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Campbell Essential Biology with Physiology (5th Edition)
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