Trees of life that illustrate the phylogenetic relationships of all organisms were traditionally based on ______; newer methods for determining phylogeny rely on ______.

Question

Quizplus · Accepted Answer

Traditional phylogenetic trees were based on morphology, or the physical characteristics of organisms. Newer methods use nucleic acid sequences (DNA or RNA) to determine phylogenetic relationships, as these provide a more detailed and accurate picture of evolutionary relationships.

Trees of Life That Illustrate the Phylogenetic Relationships of All