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20. Which number represents a group of organisms that break down the wastes and remains of other organisms? 21. Explain the role of an animal such as the horse in the nitrogen cycle.

20. Which number represents a group of organisms that break down the wastes and remains of other organisms? 21. Explain the role of an animal such as the horse in the nitrogen cycle.

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Answer question 20 and 21.
Atmospheric free nitrogen Animals Animerwastes Dead animals ). A Plants m 4 Dead planti Nitrogen-fixing bacteria 5 Decomposers 3 Bacteria Nitrogen compounds 19. On what part of a plant do the organisms represented by number 8 live? 20. Which number represents a group of organisms that break down the wastes and remains of other organisms? 21. Explain the role of an animal such as the horse in the nitrogen cycle. 22. Describe two roles bacteria play in the nitrogen cycle. Essay 23. Explain why decomposers are essential to life on Earth. (2 Reasons
Transcribed Image Text:Atmospheric free nitrogen Animals Animerwastes Dead animals ). A Plants m 4 Dead planti Nitrogen-fixing bacteria 5 Decomposers 3 Bacteria Nitrogen compounds 19. On what part of a plant do the organisms represented by number 8 live? 20. Which number represents a group of organisms that break down the wastes and remains of other organisms? 21. Explain the role of an animal such as the horse in the nitrogen cycle. 22. Describe two roles bacteria play in the nitrogen cycle. Essay 23. Explain why decomposers are essential to life on Earth. (2 Reasons
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