Evidence of Evolution
Gradualism/Punctuated Evolution
Vocabulary
Homologous, Analogous, or Vestigial?
100
The outline of an organism pressed into rocks
Fossil
100
Long periods of stasis, followed by sudden changes in the fossil record
Punctuated equilibrium
100
An organism two or more organisms are related to
Common ancestor
100
same structure, different purpose
Homologous Structure
200
Structures that still exist in an organism, even though it no longer serves a purpose
Vestigial Structure
200
Gradual changes seen through the fossil record
Gradualism
200
The ability to thrive and reproduce in an environment
Fitness
200
Vestigial
300
Organisms evolved similarly across different continents, showing that the land was once connected
Biogeography
300
Gradualism
300
The development of a new species through evolution
Speciation
300
Different structure, same purpose
analogous
400
Many organisms develop in a similar way before taking on the appearance of a specific species
Embryology
400
Punctuated evolution
400
Period of time with no evolution occurring
Stasis
400
Bat wing and butterfly wing
analogous
500
The same basic structure of DNA exists in all living organisms
DNA evidence/ molecular biology
500
Punctuated Equilibrium
500
Sudden evolutionary change
Punctuated equilibrium evolution
500
Homologous