structures that are similar
homologous
a characteristic that helps an organism survive
adaption
when one species evolves into many; adaptive
radiation
pattern of evolution where a species is stable for a long time then rapidly changes; _____ equilibrium
punctuated
the name of Darwin's book; the ___ of species
origin
process by which evolution occurs; natural ______
selection
had different shaped shells depending on the island they were from
turtles
well-supported testable explanation
theory
when two species evolve together
coevolution
natural selection is also known as the survival of the
fittest
islands that Darwin visited
Galapagos
principle that states that living species are descended from ancient ones; descent with
modification
the name of the ship that darwin traveled on
beagle
when two unrelated organisms look alike (sharks & dolphins)
convergent
refers to the variety of living things
diversity
when organisms disappear from the earth
extinction
proposed the theory of evolution by natural selection
Darwin
formation of new species
speciation
change over time
evolution
required for new species to form
isolation
preserved remains of ancient organisms
fossils
had different shaped beaks depending on the island they were from
finches
the study of the earth
geology
structures that have no current function
vestigial