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Chapter 10 & 11- Evolution

Teacher: Greg Puckett
Across
A group of organisms so similar to one another they can have reproduce.
Natural disasters such as floods & volcanic eruptions have happened often during Earth's long history.
The difference in the physical traits of an individual that those of other individuals in the group in which it belongs.
Is a feature that allows an organism to better survive in the environment.
The process by which humans change species by breeding it
These changes in allele frequencies that are due to chance
Selection that favors phenotypes at one extreme of a traits range
The frequency is the highest near the mean, value, and decreases toward each extreme end of the range
When timing prevents reproduction between populations
The combined alleles of all the individuals in a population.
Is a mechanism by which individuals that have inherited benefits adaptations produce more offsprings on average than individuals.
The ability of a trait to be passed down from one generation to the next.
Is genetic drift that occurs after a small number of individuals colonize a new area
Principle that states that the changes in land forms result that slowly changes over a long period.
Down
Is the observable change in the allele frequencies of a population over time.
The process of biological change by which descendants come to differ from their ancestors
The intermediate phenotypes is favored and becomes more common in the population.
Is all the individuals of a species that live in an area.
Are structure that perform a but similar functions aren't similar in orgin.
Occurs when both extreme phenotypes are favored while individuals with intermediate phenotypes are selected against by something in nature
The rise of two or species from one existing species
The movement of alleles from one population to another
Traces of organisms that existed I the past.