If a whale has a pelvis, but does not walk - we do we call these structures?
What is vestigial
100
What is the material that leaves behind fossils
What is bone
100
"A group of individuals belonging to the same species in a given area"
What is a population
100
what are two main sources of genetic variation?
What are gene shuffling (random mating) and mutations
200
Darwin's Theory of ____________ states that possession of inherited adaptations maximizes fitness
What is Natural Selection
200
Structures that are similar, but do not serve the same function
What is homologous
200
If a diagram is showing the eventual formation of two new species, what type of graph is it?
What is disruptive
200
Groups of populations that can successfully breed, and produce fertile offspring are of the same ______
What is species
200
When a farmer breeds only his or her best livestock, the process is
What is artificial selection
300
Darwin's term for surviving and reproducing successfully
What is Fitness
300
Structures that are different in structure, but serve the same function
What is analogous
300
When two prokaryotes converged and created eukaryotes, we are discussing the ____________ theory
What is endosymbiotic
300
The genes that are present in a population
What is the gene pool
300
When allele frequencies change as a result of the migration of a small subgroup of a population we call it the _________ effect
What is Founder Effect
400
If two species (such as a flower and a hummingbird) depend on each other and evolve in response to each other is called
What is coevolution
400
Another way to look at common ancestry is looking at how cells develop in the same order to produce homologous structures..this is called __________ology
What is embryology
400
When new species develop it is called speciation, what is an example of a behavioral isolation that helps us tell two species apart?
What is having two different mating songs or different mating dances
400
Change in a Populations allele frequency due to migration, random chance, and surviving catastrophes is know as
What is genetic drift
400
If allele frequencies in a population remain constant, and no factors cause the frequency to change, we are following the
What is the Hardy-Weinberg Theorem
500
Name the scientists that influenced Darwin's theories
Who are Lamarck, Lyell, Hutton, Malthus and Wallace
500
Whose theory of evolution proposes that new organs in a species appear as a result of organisms using, or failing to use, the body structures
Who is Lamarck
500
________ is the length of time required for half of the radioactive atoms in a sample to decay
What is half life
500
when individuals at the upper and lower ends of the curve have higher fitness than individuals near the middle
What is disruptive selection
500
The long and stable periods interrupted by brief periods of more rapid change is called ___________