A trace of an ancient organism that has been preserved in rock
What is a Fossil?
A group of similar organisms that can breed and produce fertile offspring.
What is species?
This is likely to happen to a species if it is not well adapted to a new environment
What is extinction?
Helps a species to survive, by causing individuals of a species to be genetically and physically different.
What is variation?
He is considered the father of evolution?
Who is Charles Darwin?
Which on of these animals is most closely related to a dinosaur?
What is bird?
This happened to finch #7

What is Extinction?
Strategy in which organisms make more offspring than will actually survive.
What is overproduction?

What is speciation?
Determined a theory for how organisms evolved based on acquiring traits during their lifetime
Who is Lamarck?
A structure that is present in an organism but no longer serves its original purpose (ex. hip bones in whales)
What are vestigial structures?
This type of key uses "either or" questions to help classify organisms.
What is Dichotomous?
A trait that helps an organism survive and reproduce
What is an adaptation?
Inability of a species to interbreed due to different mating sites or behaviors.
What is Reproductive Isolation?
Change in a kind of organism over time; process by which modern organisms have descended from ancient organisms.
What is evolution?
Structures in different species that are similar because of common ancestry.
What are homologous structures?
This diagram shows evolutionary relationships
What is a Cladogram of Phylogenetic tree?
The source of variation within a species
What is mutation and sexual reproduction?
Populations may be physically separated when their original habitat becomes divided by an obstacle (mountains, rivers, etc.)
What is geographic isolation?
Weissman proved Lamarck's theory wrong by performing this experiment.
What is he cut off the tails of mice to see if their offspring were born with no tails?
Scientists may study the development of these to determine common ancestry
What are embryos?
According to the diagram, these two organisms are most closely related
What are the crab and trilobyte (black buggish animal)?
A natural process resulting in the evolution of organisms best adapted to the environment ex. fastest, smartest, quietest, loudest, best eyesight, etc.
What is survival of the fittest or natural selection?
The islands where Darwin studied the different characteristics of finches are located here.
What is off the coast of South America?
Four types of evidence of evolution
What are comparative anatomy, biochemistry, embryological development, Fossils?