sience Flashcards
a chareristic that improves an indivisaul ability to survive and reproduce in a particual enviorment
adaption
a froup of orginisms that are closely related and can mate to produce fertile off springs
species
the process in wich inheritaded charicters within a poulatoin change over generation such that new species sometime arise
envolutian
the remains of physical evidence of an orginism preserved by geologicil processes
fossil
a historical sequence of life indicates by fossils found in layers of the earths crust
fossil record
a geneticaly determind charistic
trait
the human practice of breeding animals or plants that have certain desire chareristic
aselective breeding
the process by wich indivisual that are better adapted to their enviorment survive and reproduce more successfully than less well adapted indivisual do; a theory to explain the mechanism of evolution
natural selection
the period between the birth of on generation and the birth of the next generation
generation time
the formation of new species as a result of evolution
speciation
any method of determining whether an event or object is older or younger than other events or objects
relative dateing
any omethod of measuring the age of an object or event in year
absolute dateing
the standered method used to divide the earths long nateural history into manageable pants
geogogic time scale
describes a species that has died out completly
extinct
the theory that explained how lage pieces of the earths outemost layer called tectonic plates, move and change shape
plate tectonic
