Evolution
Body Structures
Natural Selection
Fossil Record
Genetics
100
The process in which a species has changed over time is known as this.
What is evolution?
100
Similar structures that evolved from a common ancestor such as bones humans, cats, bats, and whales have in common.
What are Homologous Structures?
100
The ability of an individual to survive and reproduce is known as this.
What is fitness?
100
Preserved remains of ancient organisms
What are fossils?
100
The person who gave you the DNA to make your mitochondria
What is your mother?
200
distantly related organisms evolve to become more similar
What is Convergent Evolution?
200
Structures that have no apparent function and appear to be residual parts from a past ancestor
What are Vestigial Structures?
200
Any inherited trait that increases an organism's chance of survival is known as this.
What is an adaptation?
200
A record of Earth changing over a long period of time
What is fossil record?
200
collectively, all of the alleles of the population’s genes
What is a gene pool?
300
What characteristics did Darwin observe about the finches on the Galapagos Islands?
What are their beaks? They adapted to different food sources.
300
Body structures on different organisms that are similar in function but did not evolve from the same ancestor (bird wing and butterfly wing)
What are Analogous Structures?
300
The concept that organisms who are the best suited to their environment will be the most successful
What is survival of the fittest?
300
Animals and plants can change as a ______________ but not as an individual.
species
300
A mistake or change that occurs in the DNA sequence is called a ______________________.
What is a mutation?
400
Which condition had the greatest impact on the emergence of new species in Earth's history?
What is Mass Extinction?
400
Snakes with small legs and your tail bone are examples of these
What are vestigial organs?
400
Conditions that limit an organisms ability to survive and controls the number in a population?
Selective pressure
400
What is an index fossil?
What is a widely distributed fossil that existed for only a brief geologic period. Scientists use them as reliable time markers to date the rock layers in which they are found and to match up rock strata across different geographic locations.
400
This term refers to different traits and alleles within a population.
What is variation?
500
He is known as the Father of Evolution
Who is Charles Darwin?
500
This type of vestigial structure is found in our digestive system. This organ used to be used to digest cellulose for our ancient ancestors.
What is the appendix?
500
What does comparative embryology show us? 
What are common ancestors?
500
The three main categories of fossils:
What is trace, index, and body fossils.
500
Darwin was from the 1800's. What part of modern science did he lack knowledge of in order to better explain how traits were passed down from parent to offspring?
What is genetics?