biology vs biota

biology

noun
  • The living organisms of a particular region. 

  • The study of all life or living matter. 

  • The structure, function, and behavior of an organism or type of organism. 

biota

noun
  • The living organisms of a region. 

  • The coniferous tree Platycladus orientalis (syn. Biota orientalis, Oriental arborvitae). 

How often have the words biology and biota occurred in a corpus of books? (source: Google Ngram Viewer )