Energy and Carbon Utilization

Energy and Carbon Utilization

On the basis of energy and Carbon utilization, the organic are the divide into three types:

01             Autotrophs

02             Heterotrophs

03             Lithotrophs

 

Classification based on energy and carbon utilization of organism

Microbial nutrition

 

Carbone sources

Autotrophs              CO₂ sole or principal biosynthetic carbon source

Heterotrophs           Reduced, performed, organic molecules from other organisms

Energy source

Phototrophs            Light

Chemotrophs           Oxidation of organic or inorganic compounds

Hydrogen and electron sources

Lithotrophs              Reduced inorganic molecules

Organotrophs          Organic molecules

              Phototrophs use light as an energy source, while chemotrohs use electron donors as a source of energy, whether from organic or inorganic sources, however, in the case of autotrophs, these electron donors come from inorganic chemical sources. Such chemotrophs are lithotrophs. An organism that eats other organism is called heterotrophy (Flowchart above)

          Roles and  interactions of producers (plants), Consumers (animals) and Decomposers (fungus, insects, etc). The role of a decomposer is to decompose or break down dead matter in the environment. Plants make their own food by the process of photosynthesis and also produce food for other consumers. Without producers an ecosystem could not sustain itself.

01     Herbivores          eat only producers

02     Carnivores           eat only other consumers

03     Omnivores          eat both producers and consumers