CAMPBELL BIOLOGY IN FOCUS-TEXT,AP ED.
CAMPBELL BIOLOGY IN FOCUS-TEXT,AP ED.
3rd Edition
ISBN: 9780136811206
Author: Urry
Publisher: SAVVAS L
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Chapter 41, Problem 1TYU

The feeding relationships among the species in a community determine the community’s

  1. A.    secondary succession.
  2. B.     ecological niche.
  3. C.     species richness.
  4. D.    trophic structure.
Expert Solution & Answer
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Summary Introduction

Introduction:

There are various characteristics of the communities like their diversity and also their species feeding relationships.

Answer to Problem 1TYU

Correct answer:

The feeding relationship among the species in a community determines the trophic structure of the community. Therefore, option (D) is correct.

Explanation of Solution

Reason for the correct statement:

Trophic level refers to the position that a specific organism takes place in the food chain. The structure of trophic describes the relationship of feeding amongst the organisms. It is thus, also known as the food web or food chain.

Option (D) is given as “trophic structure”.

“The feeding relationship among the species in a community determines the trophic structure of the community”, it is the right answer.

Hence, option (D) is correct.

Reasons for the incorrect statements:

Option (A) is given as “secondary succession”.

It is one of the types of ecological succession. It refers to the change or destruction that occurs in a habitat due to any natural disaster. So, it is a wrong answer.

Option (B) is given as “ecological niche”.

It shows the role and position of a species with the environment. So, it is a wrong answer.

Option (C) is given as “species richness”.

It refers to the measurement of species diversity that is the number of species variety in a community. So, it is a wrong answer.

Hence, options (A), (B), and (C) are incorrect.

Conclusion

The trophic structure determines the feeding relationship among the species in a community.

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