21. The examples described below represent different modes of speciation and provide strong evidence for common descent . 22. A group of organisms is said to have common descent if they have a common ancestor. 23. There's natural selection, speciation, evidence of common descent , evolutionary history of life, and history of evolutionary thought. 24. Buffon considered the similarities between humans and apes, but ultimately rejected the possibility of a common descent . 25. As evolutionary biology began to be expanded upon, this relationship became treated as one of common descent . 26. "' Common descent "'describes how, in evolutionary biology, a group of organisms share a most recent common ancestor. 27. Chromosome 2 thus presents very strong evidence in favour of the common descent of humans and other apes. 28. A "'lineage "'is a unilineal descent group that can demonstrate their common descent from a known apical ancestor. 29. However, molecular phylogenetic studies have shown that Sarcodina is not a monophyletic group whose members share common descent . 30. By expressing the myths of having common descent and common destiny, people's sense of belonging to nation is enhanced.
