Chaper 21 Flashcards
Definitely of a fossil
Remains or imprints of a once living organism
What is evidence for evolution?
Natural selection can produce evolutionary change
Evidence from the fossil records
She performed the peppered moth test?
TW Tutt
What is is called when darker moths come to predominate over light moths?
Industrial melanism
What is Artificial selection?
Change initiated by humans
Why was Archaeopteryx so important for fossil
Intermediate between bird and dinosaur
Possess some ancestral traits and some traits from modern day birds
What kind of birds did Darwin study?
Finches
What can you figure out with relative fossil dating?
Which fossils are older or younger
What can you find out about fossils with absolute dating?
Accurate date, rate of decay
What was the first horse fossil?
Hyracotherium
What is a vestigial structure?
Structures or organs that have no apparent function
What is homologous structures?
Different appearances and functions but have evolved from a common ancestor
