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Evolutionary History

The study of species over millions/billions of years

TermDefinition
paleontologist a scientist who studies fossils in order to understand the ancient history of life on Earth
species a group of organisms of the same kind (in one or more populations) that do not reproduce with organisms from any other group
body structure a part of an organism (for example, one or more bones)
shared structure a body structure in two or more species that features the same parts (for example, the same bones)
evolution the process by which species adapt to environmental changes over a very long time
stability when something stays mostly the same over time
speciation the process by which one population evolves into two or more different species
evolutionary time the very long time that spans the history of Earth, from the very first cellular life to the present
related sharing a common ancestor population
descendant species a more recent species that evolved from an ancestor population
Created by: user-1970034
 

 



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