adaptations Flashcards
adaptation
traits that species have evolved over time
species
groups of animals
evolution
changes over a period of time
fossil
the hard remains of an animal
fossil record
a collection of fossils
trait
characteristics of animals
selective breeding
when animals select a breeding partner
natural selection
when organisms adapt to their environment
generation time
the time between two generations
speciation
the formation of new and distinct species in the course of evolution.
relative dating
to arrange geological events
absolute dating
used to find the specific age of an object
geological time scale
the representation of time based on the rock record of the earth
extinct
when a species is all dead
plate tectonics
a theory explaining the structure of the earth’s crust
primate
the chief bishop or archbishop of a province.
hominid
a primate of a family
homo sapiens
humans
