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microbes are also called? microorganisms
pathogenic are disease producing microorganisms
the ___ is the first name and is always capitalized in scientific nomenclature genus
living things too small to be seen with the unaided eye are called? microorganisms
in a ___ system each living organism is assigned two names nomenclature system
nomenclature system was designed by Carolus Linnaeus (1735)
Two names consist of a genus and a specific epithet are both underlined or italicized
bacterial cells with their genetic material no enclosed in a special nuclear membrane prokaryotes
unicellular organisms and are prokaryotic bacteria
3 major basic shapes of bacteria are 1. bacillus2. coccus3. spiral
cell walls that are composed of a carbohydrate and protein complex are called peptidoglycan
Bacteria generally reproduce by dividing into 2 equal cells, a process called binary fission
___ can use a wide range of chemical substances for nutrition bacteria
____ consist of prokaryotic cells and lack peptidoglycan archaea
3 types of archaea 1. methanogens 2. extreme halophiles 3. extreme thermophiles
____ cells have a true nucleus eukaryotic cells
___ have eukaryotic cells and are multicellular fungi
3 types of fungi mushroomsmoldsyeasts
___ obtain nutrients by absorbing organic material from their enviroment fungi
___ are unicellular eukaryotes and obtain nourishment by absorption through specialized structures protozoa
___ are unicellular or multicellular eukaryotes that obtain nourishment by photosynthesis algae
__ are noncellular enities that are parasites of cells viruses
organisms are classified into what 3 groups bacteriaarchaeaeukarya
eukarya include 1. protists 2. fungi 3. plants/animals
who observed that a cork was composed of cells Robert Hooke (1665)
flatworms and roundworms are called helminths
cell theory all living things are composed of cells
who was the first to see microorganisms Anton van Leeuwenhoek (1673)
the idea that living organisms could arise from nonliving matter spontaneous generation
living cells can arise only from preexisting living cells biogenesis
techniques that prevent contamination by unwanted microorganisms aseptic techniques
Created by: JohnPink