9. The Proteobacteria have a metabolically diverse group of organisms. Four of which, - (at very low levels of nutrients) , -(highly metabolically diverse and containing chemolithoautotrophs, photoautotrophs, and generalist heterotrophs), - (largest class in terms of species ), and - ( predators on other bacteria) Proteobacteria are commonly reported in the soil ecosystems. Because of the great diversity of forms found in this group, they are so dominative and can be able to grown in any soil ecosystem with minimum support of its requirements (c source). The proteo bacteria dominates soil ecosystems, its relative abundance increases from 21.40% in sandy to 35.35% in forest soil ecosystems.In Grass /forest-grass ecosystems, Proteobacteria were the most abundant and there the soil had the highest soil nutrients and MAP. Proteobacteria had significant correlations with pH, and soil moisture, mean annual precipitation (MAP), and nutrients. MAP was correlated with soil chemical and physical properties. MAP plays a major role that affects the composition of the soil bacteria. If MAP gradient increases Proteeobacterial level decreases. The fundamental difference between spatial and chemical specialist bacteria: Spatial Bacteria can be seen/ grown in any area whereas, chemical specialist bacteria found in some /endemic/ restricted places only. Ex: Special bacteria types in coal mines and on oil spils. Where spatial bacteria are normal bacteria , whereas chemical specialist bacteria creates energy from that degrading chemical/ toxic and utilises it for its energy, in that way it degrades that chemical. Ex: Certain bacteria can degrade pesticides, they get energy from that pesticide by utilising the pesticide. Further it degrades the toxic effect of that pesticide. These are of commercial value, with industrial usage. 50-80% of the soil bacteria remains in inactive state: Most of the bacteria remains inactive until environmental conditions are favorable. So 50-80% of the soil bacteria remains in inactive state, until favourable conditions are available. Endospores, cysts, conidia or states of reduced metabolic activity are the inactive states for bacteria. They break the inactive states if favourable conditions comes. Solution 9. The Proteobacteria have a metabolically diverse group of organisms. Four of which, - (at very low levels of nutrients) , -(highly metabolically diverse and containing chemolithoautotrophs, photoautotrophs, and generalist heterotrophs), - (largest class in terms of species ), and - ( predators on other bacteria) Proteobacteria are commonly reported in the soil ecosystems. Because of the great diversity of forms found in this group, they are so dominative and can be able to grown in any soil ecosystem with minimum support of its requirements (c source). The proteo bacteria dominates soil ecosystems, its relative abundance increases from 21.40% in sandy to 35.35% in forest soil ecosystems.In Grass /forest-grass ecosystems, Proteo.

1. 9.
The Proteobacteria have a metabolically diverse group of organisms. Four of which, - (at very
low levels of nutrients) , -(highly metabolically diverse and containing chemolithoautotrophs,
photoautotrophs, and generalist heterotrophs), - (largest class in terms of species ), and - (
predators on other bacteria) Proteobacteria are commonly reported in the soil ecosystems.
Because of the great diversity of forms found in this group, they are so dominative and can be
able to grown in any soil ecosystem with minimum support of its requirements (c source).
The proteo bacteria dominates soil ecosystems, its relative abundance increases from 21.40% in
sandy to 35.35% in forest soil ecosystems.In Grass /forest-grass ecosystems, Proteobacteria were
the most abundant and there the soil had the highest soil nutrients and MAP. Proteobacteria had
significant correlations with pH, and soil moisture, mean annual precipitation (MAP), and
nutrients. MAP was correlated with soil chemical and physical properties. MAP plays a major
role that affects the composition of the soil bacteria. If MAP gradient increases Proteeobacterial
level decreases.
The fundamental difference between spatial and chemical specialist bacteria: Spatial Bacteria
can be seen/ grown in any area whereas, chemical specialist bacteria found in some /endemic/
restricted places only. Ex: Special bacteria types in coal mines and on oil spils. Where spatial
bacteria are normal bacteria , whereas chemical specialist bacteria creates energy from that
degrading chemical/ toxic and utilises it for its energy, in that way it degrades that chemical. Ex:
Certain bacteria can degrade pesticides, they get energy from that pesticide by utilising the
pesticide. Further it degrades the toxic effect of that pesticide. These are of commercial value,
with industrial usage.
50-80% of the soil bacteria remains in inactive state:
Most of the bacteria remains inactive until environmental conditions are favorable. So 50-80% of
the soil bacteria remains in inactive state, until favourable conditions are available. Endospores,
cysts, conidia or states of reduced metabolic activity are the inactive states for bacteria. They
break the inactive states if favourable conditions comes.
Solution
9.
The Proteobacteria have a metabolically diverse group of organisms. Four of which, - (at very
low levels of nutrients) , -(highly metabolically diverse and containing chemolithoautotrophs,
photoautotrophs, and generalist heterotrophs), - (largest class in terms of species ), and - (
predators on other bacteria) Proteobacteria are commonly reported in the soil ecosystems.

2. Because of the great diversity of forms found in this group, they are so dominative and can be
able to grown in any soil ecosystem with minimum support of its requirements (c source).
The proteo bacteria dominates soil ecosystems, its relative abundance increases from 21.40% in
sandy to 35.35% in forest soil ecosystems.In Grass /forest-grass ecosystems, Proteobacteria were
the most abundant and there the soil had the highest soil nutrients and MAP. Proteobacteria had
significant correlations with pH, and soil moisture, mean annual precipitation (MAP), and
nutrients. MAP was correlated with soil chemical and physical properties. MAP plays a major
role that affects the composition of the soil bacteria. If MAP gradient increases Proteeobacterial
level decreases.
The fundamental difference between spatial and chemical specialist bacteria: Spatial Bacteria
can be seen/ grown in any area whereas, chemical specialist bacteria found in some /endemic/
restricted places only. Ex: Special bacteria types in coal mines and on oil spils. Where spatial
bacteria are normal bacteria , whereas chemical specialist bacteria creates energy from that
degrading chemical/ toxic and utilises it for its energy, in that way it degrades that chemical. Ex:
Certain bacteria can degrade pesticides, they get energy from that pesticide by utilising the
pesticide. Further it degrades the toxic effect of that pesticide. These are of commercial value,
with industrial usage.
50-80% of the soil bacteria remains in inactive state:
Most of the bacteria remains inactive until environmental conditions are favorable. So 50-80% of
the soil bacteria remains in inactive state, until favourable conditions are available. Endospores,
cysts, conidia or states of reduced metabolic activity are the inactive states for bacteria. They
break the inactive states if favourable conditions comes.