Which is the best definition of a phylogenetic tree? a table of classification that is based only on physical characteristics eight levels of taxonomic categories that are used to classify organisms a branching chart that depicts evolutionary relationship among organisms organisms organized based on structure and genetic comparisons

The correct answer is B) Branching chart that depicts evolutionary relationship among organisms.

Phylogenetic tree is a branching chart which represents the evolutionary relationships among different biological species. Evolutionary history of a particular species can be traced using phylogenetic tree. It is based on similarities as well as differences in the physical or genetic characteristics of the organisms.

A simple phylogenetic tree is represented in the attachment below.  

a adaptation is when organism changes itself to fit the environment

ex. when its cold outside i wear a jacket

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