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Oct 22
Set one Oct 22
32
Biology
11th Grade
10/26/2012

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Term
metabolism
Definition
changes in cells which energy for vital process and activities are provided & new parts are created for growth
Term
response
Definition
reaction given because of a stimulation or another activity
Term
stimulus
Definition
something that causes an activity
Term
sexual repoduction
Definition
Term
asexual reproduction
Definition
Term
adaptation
Definition
adjustment to survive in an environment
Term
fitness
Definition
the capacity of an organism to survive and transmit its genotype to reproductive offspring as compared to competing organisms
Term
homeostasis
Definition
a relatively stable state of equilibrium or a tendency toward such a state between the different but interdependent elements or groups of elements of an organism, population, or group
Term
organization
Definition
administrative & functional structure
Term
growth
Definition
ability to become larger or get bigger
Term
development
Definition
to create or produce especially by deliberate effort over time
Term
metamorphosis
Definition
change of physical form, structure, or substance
Term
taxonomy
Definition
the study of the general principles of scientific classification
Term
binomial nomenclature
Definition
a system of nomenclature in which each species of animal or plant receives a name of two terms of which the first identifies the genus to which it belongs and the second the species itself
Term
prokaryote
Definition
any of the typically unicellular microorganisms that lack a distinct nucleus and membrane-bound organelles and that are classified as a kingdom (Prokaryotae syn. Monera) or into two domains (Bacteria and Archaea)
Term
eukaryote
Definition
any of a domain (Eukarya) or a higher taxonomic group (Eukaryota) above the kingdom that includes organisms composed of one or more cells containing visibly evident nuclei and organelles
Term
dichotomous key
Definition
a key for the identification of organisms based on a series of choices between alternative characters
Term
antibiotic resistance
Definition
ability to resist a substance produced by or a semisynthetic substance derived from a microorganism and able in dilute solution to inhibit or kill another microorganism
Term
pathogen
Definition
a specific causative agent (as a bacterium or virus) of disease
Term
mutation
Definition
a relatively permanent change in hereditary material involving either a physical change in chromosome relations or a biochemical change in the codons that make up genes
Term
limiting factor
Definition
Term
antibiotic
Definition
a substance produced by or a semisynthetic substance derived from a microorganism and able in dilute solution to inhibit or kill another microorganism
Term
virus
Definition
the causative agent of an infectious disease
Term
plasmid
Definition
circular DNA molecules that replicate independently of the bacterial chromosome
Term
passive immunity
Definition
immunity acquired by transfer of antibodies
Term
active immunity
Definition
long-lasting immunity that is acquired through production of antibodies within the organism in response to the presence of antigen
Term
antigen
Definition
any substance (as an immunogen or a hapten) foreign to the body that evokes an immune response either alone or after forming a complex with a larger molecule (as a protein) and that is capable of binding with a product (as an antibody or T cell) of the immune response
Term
contractile vacuoles
Definition
a vacuole in a unicellular organism that contracts regularly to discharge fluid from the body
Term
cilia
Definition
a minute short hairlike process often forming part of a fringe; especially : one of a cell that is capable of lashing movement and serves especially in free unicellular organisms to produce locomotion or in higher forms a current of fluid
Term
flagella
Definition
a long tapering process that projects singly or in groups from a cell and is the primary organ of motion of many microorganisms
Term
pseudopods
Definition
a slender extension from the edge of a wheal at the site of injection of an allergen
Term
eyespots
Definition
a small pigmented body of various unicellular algae
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