Presentation is loading. Please wait.

Presentation is loading. Please wait.

Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings Figure 37.9 The role of soil bacteria in the nitrogen nutrition of plants (layer.

Published byJasper Hopkin Modified over 9 years ago

Similar presentations

Presentation on theme: "Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings Figure 37.9 The role of soil bacteria in the nitrogen nutrition of plants (layer."— Presentation transcript:

1 Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings Figure 37.9 The role of soil bacteria in the nitrogen nutrition of plants (layer 1) Atmosphere N2N2 Soil N2N2 Nitrogen-fixing bacteria Organic material (humus) NH 3 (ammonia) NH 4 + (ammonia) H + (from soil) Soil Atmosphere Ammonifying bacteria

2 Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings Figure 37.9 The role of soil bacteria in the nitrogen nutrition of plants (layer 2) Atmosphere N2N2 Soil N2N2 N2N2 Nitrogen-fixing bacteria Organic material (humus) NH 3 (ammonia) NH 4 + (ammonia) H + (from soil) NO 3 – (nitrate) Nitrifying bacteria Denitrifying bacteria Soil Atmosphere Ammonifying bacteria

3 Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings Figure 37.9 The role of soil bacteria in the nitrogen nutrition of plants (layer 3) Atmosphere N2N2 Soil N2N2 N2N2 Nitrogen-fixing bacteria Organic material (humus) NH 3 (ammonia) NH 4 + (ammonia) H + (from soil) NO 3 – (nitrate) Nitrifying bacteria Denitrifying bacteria Root NH 4 + Soil Atmosphere Nitrate and nitrogenous organic compounds exported in xylem to shoot system Ammonifying bacteria

Download ppt "Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings Figure 37.9 The role of soil bacteria in the nitrogen nutrition of plants (layer."

Similar presentations

The Nitrogen Cycle.

The Nitrogen Cycle.
Trophic Levels and Food Chains

Trophic Levels and Food Chains
Figure 29.1 Plants or pebbles?

Figure 29.1 Plants or pebbles?
They feed on dead matter

They feed on dead matter
Living thing require nutrient cycles ( nitrogen cycle) because - Some organism ( decomposers) obtain energy from the break down of dead bodies and waste.

Living thing require nutrient cycles ( nitrogen cycle) because - Some organism ( decomposers) obtain energy from the break down of dead bodies and waste.
The Nitrogen Cycle  All organisms need nitrogen to make proteins  Nitrogen gas makes up 78% of the atmosphere, but it cannot be used directly by most.

The Nitrogen Cycle  All organisms need nitrogen to make proteins  Nitrogen gas makes up 78% of the atmosphere, but it cannot be used directly by most.
The Biogeochemical Cycles. © 2003 John Wiley and Sons Publishers Idealized diagram of the geologic cycle, which includes the tectonic, hydrologic, rock.

The Biogeochemical Cycles. © 2003 John Wiley and Sons Publishers Idealized diagram of the geologic cycle, which includes the tectonic, hydrologic, rock.
The Nitrogen Cycle Major Processes: Nitrification Nitrification Denitrification Denitrification Decomposition Decomposition Assimilation Assimilation Nitrogen.

The Nitrogen Cycle Major Processes: Nitrification Nitrification Denitrification Denitrification Decomposition Decomposition Assimilation Assimilation Nitrogen.
Ecosystems 1.Energy Flow 2. Chemical cycles water, carbon, nitrogen 3. Human effects on cycles eutrophication, acid rain.

Ecosystems 1.Energy Flow 2. Chemical cycles water, carbon, nitrogen 3. Human effects on cycles eutrophication, acid rain.
The Nitrogen Cycle An essential part of proteins, DNA and other compounds needed for life…

The Nitrogen Cycle An essential part of proteins, DNA and other compounds needed for life…
Quiz on the Nitrogen cycle

Quiz on the Nitrogen cycle
The Nitrogen Cycle Chapter 2. Nitrogen The circular flow of nitrogen to free gas in the atmosphere (it is 78% of our atmosphere), to nitrogen compounds.

The Nitrogen Cycle Chapter 2. Nitrogen The circular flow of nitrogen to free gas in the atmosphere (it is 78% of our atmosphere), to nitrogen compounds.
The Nitrogen Cycle: Who Cares? Nitrogen is an essential component of the amino acids that make up proteins and is a basic element of living things.

The Nitrogen Cycle: Who Cares? Nitrogen is an essential component of the amino acids that make up proteins and is a basic element of living things.
 The movement of nitrogen, in its many forms, between the biosphere, atmosphere, and animals, is described by the nitrogen cycle.

 The movement of nitrogen, in its many forms, between the biosphere, atmosphere, and animals, is described by the nitrogen cycle.
Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings PowerPoint TextEdit Art Slides for Biology, Seventh Edition Neil Campbell and.

Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings PowerPoint TextEdit Art Slides for Biology, Seventh Edition Neil Campbell and.
CHAPTER 54 ECOSYSTEMS Copyright © 2002 Pearson Education, Inc., publishing as Benjamin Cummings Section D: The Cycling of Chemical Elements in Ecosystems.

CHAPTER 54 ECOSYSTEMS Copyright © 2002 Pearson Education, Inc., publishing as Benjamin Cummings Section D: The Cycling of Chemical Elements in Ecosystems.
Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings PowerPoint ® Lecture Slide Presentation prepared by Christine L. Case M I C R.

Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings PowerPoint ® Lecture Slide Presentation prepared by Christine L. Case M I C R.
Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings Figure 36.2 An overview of transport in a vascular plant (layer 1) Minerals H2OH2O.

Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings Figure 36.2 An overview of transport in a vascular plant (layer 1) Minerals H2OH2O.
Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings Figure 35.18 Primary and secondary growth of a stem (layer 1) (a) Primary and.

Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings Figure Primary and secondary growth of a stem (layer 1) (a) Primary and.
Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings Active Lecture Questions for use with Classroom Response Systems Biology, Seventh.

Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings Active Lecture Questions for use with Classroom Response Systems Biology, Seventh.

Similar presentations

Ads by Google