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Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
ISBN: 9781305389892

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BuyFindarrow_forward

Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
ISBN: 9781305389892
Textbook Problem

Which of the following materials has a sedimentary cycle?

a. water

b. oxygen

c. nitrogen

d. phosphorus

e. carbon

Summary Introduction

Introduction:

Plants are the producers that prepare their food by photosynthesis. For this process, plants require carbon, oxygen, and hydrogen, which they get from water and air. In addition to these, plants require minerals like nitrogen and phosphorus. These minerals are circulated in the ecosystem constantly through various biogeochemical cycles. In sedimentary cycle, materials move from lands to seas and oceans and then move back to land.

Explanation

Justification/explanation for the correct answer:

Option (d) states that “phosphorus has a sedimentary cycle.” This is correct because phosphorus does not exist as a gas, so it is not circulated through atmospheric cycles. Phosphorus is present in the terrestrial rocks as phosphates. From there, it moves to marine ecosystems through sedimentary cycle. Hence, option (d) is correct.

Explanation for the incorrect answers:

Option (a) states that “water has a sedimentary cycle.” This is incorrect because water circulates through hydrologic cycle. It moves from oceans to atmosphere in the form of water vapors. Through rain, it falls on the land and then, through rivers and lakes, reaches back to the oceans. So, it is an incorrect option.

Option (b) states that “oxygen has a sedimentary cycle...

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