Question

Molecular scientists can read the DNA code and compare the DNA of different organisms. This concept is used in molecular clocks to determine which of the following?



Morphological relationships



Molecular phylogenies



Evolutionary relationships

Answer 1

A phylogeny, or evolutionary tree, represents the evolutionary relationships among a set of organisms or groups of organisms, called taxa (singular: taxon). The tips of the tree represent groups of descendent taxa (often species) and the nodes on the tree represent the common ancestors of those descendants

Answer 2

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