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Science Final
Vocab
15
Science
7th Grade
05/04/2012

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Term
evolution
Definition
change in inherited characteristics over time.
Term
natural selection
Definition
a process by which organisms with the traits best suited to their enviroment are more likely to survive and reproduce.
Term
variation
Definition
inherited trait that makes an individual different from others
Term
species
Definition
group of organisms that share similar characteristics.
Term
adaption
Definition
any variation that makes an organism better suited to its environment
Term
gradualism
Definition
model that describes slow change in evolution
Term
puncuated equilibrium
Definition
model that describes rapid evolution
Term
embryology
Definition
study of embryos
Term
vestigal structures
Definition
structure, such as the human appendix, that doesn't have a function in the human body
Term
Charles Darwin
Definition
a person who discovered evolution
Term
behavior
Definition
the way an organism intreracts with other organisms
Term
reflex
Definition
simple innate behavior, such as yawning
Term
instinct
Definition
com,plex pattern of innate behavior, such as spinning a web
Term
hibernation
Definition
cycle response of inactivity and slow metabolism
Term
migration
Definition
instinctinctive seasonal movement of animals to find food
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