Vocab
Consists of all the individuals of a species that live in a specific geographical area and can interbreed
Population
This model of evolution, in which periods of rapid change in species are separated by periods of little or no change, is called _______
Punctuated Equilibrium
The type of selection in which the average trait is favored
stabilizing selection
Charles Darwin is considered the Father of ...
Evolution
Darwin said that some organisms had greater fitness because their adaptations made them better able to win when they had to ....
compete.
An inherited trait that has become common in a population because the trait provides a selective advantage
Adaptation
Genetic drift is a random change in the gene pool. It only happens in what type of poplulations
Small
What was the name of the islands Darwin proved his theory on?
Galapagos Islands
What did Darwin observe about the physical structure and feeding habits of the finches on the Galapagos Islands?
That they had beaks suited to their chosen diet.
The Name of Darwin's book
On the Origin of Species
The condition in which two populations of the same species do not breed with one another because a geographic separation, a difference in mating periods, or other barrier to reproduction.
Reproductive Isolation
A structure in an organism that is reduced in size and function and that may have been complete and functional in the organism's ancestors.
Vestigial structure
Natural selection is also known as ...
Survival of the fittest
Who mistakenly thought that traits acquired during a lifetime could be passed on to your children>
Lamarck
Charles Darwin's idea that organisms produced more offspring than the environment could support was influenced by the work of this sociologist
Thomas Malthus
The model of evolution in which slow continual change over a long period of time leads to species formation called ________
Gradualism
Structure that share a common ancestry.
Homologous Stucture
The ability to survive and reproduce
Fitness
Similarity between organisms is an indication of descent from a ...
common ancestor
Structures formed by convergent evolution that bear some similarity.
Analogous structures.
Survive or die based on the traits possessed
Natural Selection or survival of the fittest.
The accumulation of difference between groups that leads them to become more and more different is called _______
Divergent evolution
Some organisms have greater fitness because they have advantageous traits know as ...
adaptations
Reproductive isolation due to mating at different times of the year.
temporal isolation
In what ship did Charles Darwin travel to the Galapagos Islands
Beagle