The microbiota refers to only the microorganisms that are living in a certain environment. 

Microbiota

The microbiome refers to all microorganisms, prokaryotic and eukaryotic, that are living and adapted to a certain environment. It also includes the genetic material of these organisms. 

University of Wisconsin - Madison

Microbial ecology is the study of microbial populations and how they interact with their environment.

Microbial Ecology

https://openstax.org/details/books/microbiology/

Microbiology covers the scope and sequence requirements for a single-semester microbiology course for non-majors. The book presents the core concepts of microbiology with a focus on applications for careers in allied health. The pedagogical features of the text make the material interesting and accessible while maintaining the career-application focus and scientific rigor inherent in the subject matter. Microbiology’s art program enhances students’ understanding of concepts through clear and effective illustrations, diagrams, and photographs.

Microbiology is produced through a collaborative publishing agreement between OpenStax and the American Society for Microbiology Press. The book aligns with the curriculum guidelines of the American Society for Microbiology.

OpenStax Microbiology Textbook

Microbiome

Symbiosis in prokaryotes refers to the cooperative, competitive or neutral interactions within prokaryotes or their environment. 

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