The bacteria, which can improve the productivity of an aquatic ecosystem where small amounts of ammonium are added. Introduction: Phosphorus and ammonia are essential nutrients required for the growth of the aquatic ecosystem. In aquatic ecosystem, to increase the productivity, ammonium can be used. The aquatic organisms get required nitrogen for their growth from this dissolved ammonium. The table given below gives details of characteristics of four bacteria: Name of Bacteria Clostridium novyi Thermus aquaticus Paracoccus denitrificans Trichodesmium thiebautii Characteristics Metabolism Obligate anaerobic Obligate aerobic Facultative anaerobic Facultative anaerobic Gram status + – – – Optimal temperature (°C) 10–40 50–80 5–30 10–30 Typical habitat Terrestrial Aquatic Aquatic Aquatic Miscellaneous Chemotroph Denitrifier Nitrogen fixer °C, Degree Celsius; (+), positive; (–), negative.

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Answer 1

Question

Chapter 25, Problem 3Q

Summary Introduction

To review:

The bacteria, which can improve the productivity of an aquatic ecosystem where small amounts of ammonium are added.

Introduction:

Phosphorus and ammonia are essential nutrients required for the growth of the aquatic ecosystem. In aquatic ecosystem, to increase the productivity, ammonium can be used. The aquatic organisms get required nitrogen for their growth from this dissolved ammonium.

The table given below gives details of characteristics of four bacteria:

Name of Bacteria Clostridium novyi Thermus aquaticus Paracoccus denitrificans Trichodesmium thiebautii

Characteristics

Metabolism Obligate anaerobic Obligate aerobic Facultative anaerobic Facultative anaerobic

Gram status + – – –

Optimal temperature (°C) 10–40 50–80 5–30 10–30

Typical habitat Terrestrial Aquatic Aquatic Aquatic

Miscellaneous Chemotroph Denitrifier Nitrogen fixer

°C, Degree Celsius; (+), positive; (–), negative.

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Answer 2

Question

Chapter 25, Problem 3Q

Summary Introduction

To review:

The bacteria, which can improve the productivity of an aquatic ecosystem where small amounts of ammonium are added.

Introduction:

Phosphorus and ammonia are essential nutrients required for the growth of the aquatic ecosystem. In aquatic ecosystem, to increase the productivity, ammonium can be used. The aquatic organisms get required nitrogen for their growth from this dissolved ammonium.

The table given below gives details of characteristics of four bacteria:

Name of Bacteria Clostridium novyi Thermus aquaticus Paracoccus denitrificans Trichodesmium thiebautii

Characteristics

Metabolism Obligate anaerobic Obligate aerobic Facultative anaerobic Facultative anaerobic

Gram status + – – –

Optimal temperature (°C) 10–40 50–80 5–30 10–30

Typical habitat Terrestrial Aquatic Aquatic Aquatic

Miscellaneous Chemotroph Denitrifier Nitrogen fixer

°C, Degree Celsius; (+), positive; (–), negative.

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Answer 3

Question

Chapter 25, Problem 3Q

Summary Introduction

To review:

The bacteria, which can improve the productivity of an aquatic ecosystem where small amounts of ammonium are added.

Introduction:

Phosphorus and ammonia are essential nutrients required for the growth of the aquatic ecosystem. In aquatic ecosystem, to increase the productivity, ammonium can be used. The aquatic organisms get required nitrogen for their growth from this dissolved ammonium.

The table given below gives details of characteristics of four bacteria:

Name of Bacteria Clostridium novyi Thermus aquaticus Paracoccus denitrificans Trichodesmium thiebautii

Characteristics

Metabolism Obligate anaerobic Obligate aerobic Facultative anaerobic Facultative anaerobic

Gram status + – – –

Optimal temperature (°C) 10–40 50–80 5–30 10–30

Typical habitat Terrestrial Aquatic Aquatic Aquatic

Miscellaneous Chemotroph Denitrifier Nitrogen fixer

°C, Degree Celsius; (+), positive; (–), negative.

Expert Solution & Answer

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Answer 4

Question

Chapter 25, Problem 3Q

Summary Introduction

To review:

The bacteria, which can improve the productivity of an aquatic ecosystem where small amounts of ammonium are added.

Introduction:

Phosphorus and ammonia are essential nutrients required for the growth of the aquatic ecosystem. In aquatic ecosystem, to increase the productivity, ammonium can be used. The aquatic organisms get required nitrogen for their growth from this dissolved ammonium.

The table given below gives details of characteristics of four bacteria:

Name of Bacteria Clostridium novyi Thermus aquaticus Paracoccus denitrificans Trichodesmium thiebautii

Characteristics

Metabolism Obligate anaerobic Obligate aerobic Facultative anaerobic Facultative anaerobic

Gram status + – – –

Optimal temperature (°C) 10–40 50–80 5–30 10–30

Typical habitat Terrestrial Aquatic Aquatic Aquatic

Miscellaneous Chemotroph Denitrifier Nitrogen fixer

°C, Degree Celsius; (+), positive; (–), negative.

Expert Solution & Answer

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Answer 5

Chapter 25, Problem 3Q

Summary Introduction

To review:

The bacteria, which can improve the productivity of an aquatic ecosystem where small amounts of ammonium are added.

Introduction:

Phosphorus and ammonia are essential nutrients required for the growth of the aquatic ecosystem. In aquatic ecosystem, to increase the productivity, ammonium can be used. The aquatic organisms get required nitrogen for their growth from this dissolved ammonium.

The table given below gives details of characteristics of four bacteria:

Name of Bacteria Clostridium novyi Thermus aquaticus Paracoccus denitrificans Trichodesmium thiebautii

Characteristics

Metabolism Obligate anaerobic Obligate aerobic Facultative anaerobic Facultative anaerobic

Gram status + – – –

Optimal temperature (°C) 10–40 50–80 5–30 10–30

Typical habitat Terrestrial Aquatic Aquatic Aquatic

Miscellaneous Chemotroph Denitrifier Nitrogen fixer

°C, Degree Celsius; (+), positive; (–), negative.

Answer 6

Chapter 25, Problem 3Q

Summary Introduction

To review:

The bacteria, which can improve the productivity of an aquatic ecosystem where small amounts of ammonium are added.

Introduction:

Phosphorus and ammonia are essential nutrients required for the growth of the aquatic ecosystem. In aquatic ecosystem, to increase the productivity, ammonium can be used. The aquatic organisms get required nitrogen for their growth from this dissolved ammonium.

The table given below gives details of characteristics of four bacteria:

Name of Bacteria Clostridium novyi Thermus aquaticus Paracoccus denitrificans Trichodesmium thiebautii

Characteristics

Metabolism Obligate anaerobic Obligate aerobic Facultative anaerobic Facultative anaerobic

Gram status + – – –

Optimal temperature (°C) 10–40 50–80 5–30 10–30

Typical habitat Terrestrial Aquatic Aquatic Aquatic

Miscellaneous Chemotroph Denitrifier Nitrogen fixer

°C, Degree Celsius; (+), positive; (–), negative.

Answer 7

Chapter 25, Problem 3Q

Summary Introduction

To review:

The bacteria, which can improve the productivity of an aquatic ecosystem where small amounts of ammonium are added.

Introduction:

Phosphorus and ammonia are essential nutrients required for the growth of the aquatic ecosystem. In aquatic ecosystem, to increase the productivity, ammonium can be used. The aquatic organisms get required nitrogen for their growth from this dissolved ammonium.

The table given below gives details of characteristics of four bacteria:

Name of Bacteria Clostridium novyi Thermus aquaticus Paracoccus denitrificans Trichodesmium thiebautii

Characteristics

Metabolism Obligate anaerobic Obligate aerobic Facultative anaerobic Facultative anaerobic

Gram status + – – –

Optimal temperature (°C) 10–40 50–80 5–30 10–30

Typical habitat Terrestrial Aquatic Aquatic Aquatic

Miscellaneous Chemotroph Denitrifier Nitrogen fixer

°C, Degree Celsius; (+), positive; (–), negative.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 25.1 - Prob. 1R Ch. 25.1 - Prob. 2R Ch. 25.1 - Prob. 3R Ch. 25.2 - Prob. 1R Ch. 25.2 - Prob. 2R Ch. 25.3 - Prob. 1R Ch. 25.3 - Prob. 2R Ch. 25.3 - Prob. 3R Ch. 25.4 - Prob. 1R Ch. 25.4 - Prob. 2R

Solution Summary: The author explains that the bacterium Thermus aquaticus acts as a nitrogen fixer by utilizing ammonium.

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Chapter 25 Solutions

Name of Bacteria	*Clostridium novyi*	*Thermus aquaticus*	*Paracoccus denitrificans*	*Trichodesmium thiebautii*
Characteristics	*Clostridium novyi*	*Thermus aquaticus*	*Paracoccus denitrificans*	*Trichodesmium thiebautii*
Metabolism	Obligate anaerobic	Obligate aerobic	Facultative anaerobic	Facultative anaerobic
Gram status	+	–	–	–
Optimal temperature (°C)	10–40	50–80	5–30	10–30
Typical habitat	Terrestrial	Aquatic	Aquatic	Aquatic
Miscellaneous		Chemotroph	Denitrifier	Nitrogen fixer