He based his hypothesis on a statement made by a dairymaid.
The oral mucosa is the mucous membrane lining the inside of the mouth and consists of stratified squamous epithelium termed oral epithelium and an underlying connective tissue termed lamina propria
archaebacteria
Explanation:
The first organism on earth belonged to the archaebacteria kingdom. They were the first group of organisms that colonized the surface of the earth.
- They are of three major types methanogens, halophilic and thermoacedophilic.
- The first archaebacteria that evolved separately from bacteria and blue-green algae.
- They formed billion of year of ago.
- They lacked the characteristics of a true cell and they are known to be prokaryotes.
Learn more:
Kingdom of life brainly.com/question/5186929
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