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The theory of evolution by natural selection, first formulated in Darwin's book "On the Origin of Species" in 1859, is the process by which organisms change over time as a result of changes in heritable physical or behavioral traits. Changes that allow an organism to better adapt to its environment will help it survive and have more offspring.

https://www.livescience.com/474-controversy-evolution-works.html

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In biology, kingdom is a taxonomic rank that is composed of smaller groups called phyla
http://www.biology-online.org/dictionary/Kingdom

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a domain is the highest order of life classification, even higher than a Kingdom
http://www.biology-online.org/dictionary/Domain

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Is a device used by biologists for identifying unknown organisms.
http://www.webquest.hawaii.edu/kahihi/sciencedictionary/T/taxonomickey.php

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a category of biological classification ranking immediately below the genus or subgenus, comprising related organisms or populations potentially capable of interbreeding, and being designated by a binomial that consists of the name of a genus followed by a Latin or latinized uncapitalized noun or adjective agreeing grammatically with the genus name
https://www.merriam-webster.com/dictionary/species

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A class of objects divided into several subordinate species
https://www.merriam-webster.com/dictionary/genus

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a system of nomenclature in which each species of animal or plant receives a name of two terms of which the first identifies the genus to which it belongs and the second the species itself
https://www.merriam-webster.com/dictionary/binomial%20nomenclature

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The classification of living and extinct organisms.
https://www.britannica.com/science/taxonomy

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Systematic arrangement in groups or categories according to established criteria.
https://www.merriam-webster.com/dictionary/classification