The correct class of the following organisms is as follows:
- Eubacteria -:E  coli
- Protist- Plasmodium
- Protist- Giardia lamblia
- Other- adenovirus 
- Archaebacteria - Methanogens
- Fungi - Lichen
- Fungi- yeast
What is a domain in biology?
Domain refers to the highest rank in the classification of organisms, above kingdom. 
The three-domain system are as follows: 
- Eubacteria
- Archaea
- Eukaryota
The correct class of the following organisms is as follows:
- Eubacteria -:E  coli
- Protist- Plasmodium
- Protist- Giardia lamblia
- Other- adenovirus 
- Archaebacteria - Methanogens
- Fungi - Lichen
- Fungi- yeast
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