Evolution
What is the theory that involves species and populations?
Evolution
The survival and reproduction of organisms that are most fit for their environment
Natural Selection
Mutations that cause organisms to evolve
Adaptations
Human arm and leg, dog leg and paw, bird wing, and whale flipper
Homologous Structures
Another term for Natural Selection
Survival of the Fittest
What is something that is supported by evidence that explains how populations change over time?
Theory of Evolution
Dog and cats breeds are created because of this
Artifical Selection
A ____________ variation causes adaptations
Genetic
A structure that is not homologous and does not make species related
Analogous Structures
Number of mass extinctions
Six
Who is the Father of Natural Selection?
Charles Darwin
The name of the islands where Darwin studied his finches
Galapagos Islands
When an organism matches its environment to hide
Camouflage
Imprints of species left behind
Fossils
Group of organisms that look alike and can reproduce
Species
Evolution can only occur when this is involved
This difference was observed by Darwin in finches on the Galapagos Islands
Beaks
Adaptations contribute to an organism's _________.
Fitness
Land Mammal
Where do related organisms get their shared traits?
Common Ancestor
This may occur when a species does not adapt
Extinction
Why do humans, chickens, and cows all have a gene that codes for insulin?
Common Ancestor
When a species becomes a new species through adaptations
Evolution