Natural selection Flashcards
adaptation
improves the abilityto survive and repruduce
species
a group of organizems that are closly related and can mateto produce fertall.
evotultion
Inharited charicteristics whithin a population change over generations
fossil
The remains of an organisem preserved by geological processes
Fossil Record
A historical sequence of life indicated by fossils
Trait
a geneticly determined charicteristic
Selective Breeding
the human practice of breeding animals that have cirtain desired chariteristics
Natural Selection
the process through which populations of living organisms adapt and change
Generation time
The time bettween the birth of one genertaion and the birth of the next
Speciation
the formation of new species as a result of evalution
Relative Dating
the kind of method that determines the relative order of past events.
Absolute Dating
any method of measurinmg the age of an object or event in years
Geologic Time Scale
a chart containing the names and time ranges of the eons, eras, periods, and other divisions of geologic time.
Extinct
the dying out or disappearance of a species from earth.
Plate Tectonics
theory that explains how major landforms are created as a result of Earth’s subterranean movements.
