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bio classifactions
nothing to do with this gender studies idea.
42
Women's & Gender Studies
Pre-School
05/30/2011

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Term
Taxonomy
Definition
discipline of classifying organisms and assigning each organism a universally accepted name
Term
binomial nomenclature
Definition
two part scientific name.
Term
domains
Definition
Bacteria, Archaea, Eukarya
Term
Bacteria
Definition
eubacteria
Term
Archaea
Definition
archaebacteria
Term
Eukarya
Definition
protists, fungi, plants, and animals
Term
Six-Kingdom system of classification
Definition
Eubacteria
Archeabacteria
Protista
Fungi
Plantae
Animalia
Term
Bacteria
Definition
unicellular prokaryotes. They can be autotrophic or heterotrophic.
Term
Archae
Definition
unicellular prokaryotes. They can be autotrophs or heterotrophs. They live in extreme environment with no oxygen
Term
Protista
Definition
are organisms that cannot be classified as animals, plants, or fungi. Most are unicellular, but some can be multicellular.
Term
Fungi
Definition
are heterotrophs. Most feed on dead or decaying organic matter
Term
Plantae
Definition
are multicellular autotrophs.
Term
Animalia
Definition
multicellular heterotrophs
Term
King Philip Came Over For Good Soup
Definition
Kingdom, phyelm, class, order, family, genius, species
Term
dichotomous key
Definition
a tool that allows the user to determine the identity of items in the natural world, such as trees, wildflowers, mammals, reptiles, rocks, and fish
Term
Phylogeny
Definition
the study of evolutionary relationships among organisms
Term
evolutionary classification
Definition
strategy of grouping organisms is based on evolutionary history
Term
derived characters
Definition
Characteristics that appear in recent parts of a lineage but not in its older members
Term
cladogram
Definition
a diagram that shows the evolutionary relationships among a group of organisms
Term
molecular clock
Definition
uses DNA comparisons to estimate the length of time that two species have been evolving independently
Term
prokaryotes
Definition
unicellular organisms that lack a nucleus
Term
Methanogens
Definition
live in oxygen-free environments, such as thick mud and animal digestive tracts
Term
bacilli
Definition
Rod-shaped prokaryotes
Term
cocci
Definition
Spherical prokaryotes
Term
spirilla
Definition
Spiral and corkscrew-shaped prokaryotes
Term
Gram-Negative
Definition
red in color
Term
Gram-Positive
Definition
purple in color
Term
Obligate aerobes
Definition
require a constant supply of oxygen.
Term
obligate anaerobes
Definition
Bacteria that live without oxygen because they may be killed by it
Term
facultative anaerobes
Definition
Bacteria that can survive with or without oxygen
Term
Binary fission
Definition
type of asexual reproduction in which an organism replicates its DNA and divides in half
Term
conjugation
Definition
hollow bridge forms between two bacterial cells
Term
endospore
Definition
forms when a bacterium produces a thick internal wall that encloses its DNA and some of its cytoplasm.
Term
endospore
Definition
forms when a bacterium produces a thick internal wall that encloses its DNA and some of its cytoplasm.
Term
pathogens
Definition
Disease-causing agents
Term
vaccine
Definition
a preparation of weakened or killed pathogens.
Term
antibiotics
Definition
which are compounds that block the growth and reproduction of bacteria.
Term
Sterilization
Definition
destroys bacteria by subjecting them to great heat.
Term
Disinfectants
Definition
chemical solutions that kill pathogenic bacteria.
Term
Most vaccines work only if used_______an infection begins.
Definition
before
Term
Viroids
Definition
single-stranded RNA molecules that have no surrounding capsids
Term
Prions
Definition
contain only protein—no DNA or RNA
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