The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. what statement could we make about the four species based on the phylogenetic tree? a) humans are in no way similar to the other three organisms. b) the is no evidence of any connection between the four organisms. c) the orangutan has nothing in common with the other three organisms. d) the four have molecular similarities, but have their own unique traits.