Bio 121: Final Exam Review Questions And Correct Answers.
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Course
Bio 121
Institution
Bio 121
evolution - Answer change overtime
biological evolution - Answer consists of genetic change in populations of organisms across generations
the two naturalists from England who established the idea of natural selection - Answer 1. Alfred Russell Wallace
2.Charles Darwin
where Alfr...
speciation - Answer process in which new species are generated
allopatric speciation - Answer species formation due to physical separation of populations over
geographic distance
how allopatric speciation works - Answer other DNA combines with other species and mutations begin
to form
Phylogenetic Trees - Answer depict relationships among species, major groups of species, populations,
or genes
Extinction - Answer the disappearance of a species from earth
why extinction is a natural process - Answer when conditions naturally change and a species does not
have enough time to adapt and work with the change
example of extinction as a natural process - Answer rise&fall of sea level, arrival of new species, severe
weather events
mass extinction events - Answer massive disappearance of species at once
what mass extinction our world is in currently - Answer 6th mass extinction event due to human
impact
ecology - Answer study of interactions among organisms and between organisms and their
environment
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