Evidence of Evolution
Cladograms/
Phylogenetic Trees
Phylogenetic Trees
Vocabulary
Homologous, Analogous, or Vestigial?
100
The outline of an organism pressed into rocks
Fossil
100
A branch that is not closely related to other branches
outgroup
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
Organisms on different clades are _______ related
less
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
Shows relationships and common ancestry
cladogram
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
Shows relationship and time
phylogenetic tree
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
The branching point is the __________ _________
common ancestor
500
Sudden evolutionary change
Punctuated equilibrium evolution
500
Homologous