Modern biological classifications are based upon:

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Modern biological classifications are primarily based on evolutionary relationships between organisms. This means that organisms are grouped together based on their shared ancestry and the degree of similarity between their genetic and physical characteristics. This approach reflects the understanding that all living things share a common origin and have diverged over time through a process of evolution by natural selection. While habitats can be a factor in classification, they are not the primary basis for modern biological classifications. Archetypes are not used as a basis for modern biological classifications.

Modern Biological Classifications Are Based Upon