Read the following statements and select the INCORRECT statement

• A

  Though the bacterial structure is very simple, they are very complex in behavior. 

• B

  Chemosynthetic autotrophic bacteria play a great role in recycling nutrients like nitrogen, phosphorous iron and sulphur.

• C

  Majority of the heterotrophic bacteria are important decomposers

• D

  Autotrophic bacteria synthesize their food from organic substrates