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* the branches do not account for length of time, only the evolutionary order. In other words, the length of a branch does not typically mean more time passed, nor does a short branch mean less time passed
==<span style= "font-size:11pt"><span style="text-autospace:ideograph-numeric ideograph-other"><span style="word-break:keep-all"><span style="font-family:"><span lang="EN-US" style="font-size:16.0pt"><span style="font-family:굴림">Taxonomy:</span></span></span></span></span></span><br/> <span style="font-size:11pt"><span style="text-autospace:ideograph-numeric ideograph-other"><span style="word-break:keep-all"><span style="font-family:"><span lang="EN-US" style="font-size:16.0pt"><span style="font-family:굴림">Taxonomy (which literally means “arrangement law”) is the science of classifying organisms to construct internationally shared classification systems with each organism placed into more and more inclusive groupings.</span></span></span></span></span></span><br/> <br/> Shared Characteristics ===
Organisms evolve from common ancestors and then diversify. Scientists use the phrase “descent with modification” because even though related organisms have many of the same characteristics and genetic codes, changes occur. This pattern repeats over and over as one goes through the phylogenetic tree of life: