Organisms too small to be seen without a microscope
Microorganisms
The complete collection of microorganisms living in and on the human body
Microbiome
The study of microscopic organisms
Microbiology
Nonliving infectious particles that require a host cell for replication
Viruses
Proteinaceous infectious agents that cause spongiform encephalophies
Prions
Survival structure produced by certain bacteria when nutrients are depleted
Endospore
A network of fungal filaments
Mycelium
Rod-shaped bacteria
Bacilli
Spherical-shaped bacteria
Cocci
Science of classifying organisms
Taxonomy
A category used in classification
Taxon
The study of evolutionary relationships
Phylogeny
Father of taxonomy who introduced binomial nomenclature
Carolus Linnaeus
The two-word naming system for organisms
Binomial nomenclature
The first part of a scientific name
Genus
The second part of a scientific name
Specific epithet
Assuming organisms with similar characteristics are closely related
Natural classification
A group of genetically related organisms that can interbreed
Species
A population of bacterial cells with similar characteristics
Prokaryotic species
Scientist who proposed the five-kingdom system
Robert Whittaker
Kingdome originally containing all prokaryotes
Monera
Known for proposing the three-domain system
Carl Woese
Three-domain system is based mainly on differences in what molecule?
rRNA
Domains that include prokaryotes
Bacteria and Archaea