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Vocabulary Set 1
Set one.
32
Biology
12th Grade
02/24/2013

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Term
Metabolism
Definition
the organic processes (in a cell or organism) that are necessary for life
Term
response
Definition
A reaction to a Stimulus
Term
stimulus
Definition
a signal to which an organism responds
Term
sexual reproduction
Definition
reproduction in which gametes from two parents unite
Term
asexual reproduction
Definition
process by which a single parent reproduces by itself
Term
adaptation
Definition
a trait that helps an organism survive and reproduce
Term
fitness
Definition
how well an organism can survive and reproduce in its environment
Term
homeostasis
Definition
the ability of a living thing to keep conditions inside its body constant
Term
organization
Definition
an organized structure for arranging or classifying
Term
growth
Definition
the process of an individual organism growing organically
Term
development
Definition
a state in which things are improving
Term
metamorphosis
Definition
transformation
Term
taxonomy
Definition
The scientific study of how living things are classified
Term
binomial nomenclature
Definition
two-word naming system that gives all organisms their scientific name
Term
prokaryote
Definition
unicellular organism lacking a nucleus
Term
eukaryote
Definition
organism whose cells contain nuclei
Term
dichotomous key
Definition
Tool used to identify organisms
Term
antibiotic resistance
Definition
the ability of bacteria to withstand the effects of an antibiotic
Term
pathogen
Definition
An organism that causes disease
Term
mutation
Definition
change in a DNA sequence that affects genetic information
Term
limiting factor
Definition
a factor that causes population growth to decrease
Term
antibiotic
Definition
of or relating to antibiotic drugs
Term
virus
Definition
an extremely small organism which causes disease in humans, animals and plants
Term
plasmid
Definition
circular DNA molecule found in bacteria
Term
passive immunity
Definition
a resistance to disease produced through the injection of antibodies
Term
active immunity
Definition
immunity produced by exposure to an antigen, as a result of the immune response
Term
antigen
Definition
substance that triggers an immune response
Term
contractile vacuoles
Definition
Organelles that remove water.
Term
cilia
Definition
eyelash
Term
flagella
Definition
tail like structure used to move a cell
Term
pseudopods
Definition
Temporary cytoplasmic projections
Term
eyespots
Definition
are used to sense light intensity and direction of light
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