last common ancestor
31Arthropod — Temporal range: 540–0 Ma …
32Human evolution — This article is about the divergence of Homo sapiens from other species. For a complete timeline of human evolution, see Timeline of human evolution. Reconstruction of Homo heidelbergensis which may be the direct ancestor of both Homo… …
33Bonobo — For other uses, see Bonobo (disambiguation). Bonobo[1] Bonobos at the Cincinnati Zoo Conservation status …
34Molecular anthropology — is a field of anthropology in which molecular analysis is used to determine evolutionary links between ancient and modern human populations, as well as between contemporary species. Generally, comparisons are made between sequence, either DNA or… …
35Cambrian explosion — The Cambrian explosion or Cambrian radiation was the seemingly rapid appearance of most major groups of complex animals around Ma|530, as evidenced by the fossil record. [http://www.ucmp.berkeley.edu/cambrian/camb.html The Cambrian Period] ]… …
36Ctenophora — For the genus of crane flies, see Ctenophora (genus). Comb jellies Temporal range: Cambrian – Recent …
37Homology (biology) — For use of the term homologous in reference to chromosomes, see Homologous chromosomes. The principle of homology: The biological derivation relationship (shown by colors) of the various bones in the forelimbs of four vertebrates is known as… …
38Evolution of mammals — Restoration of Thrinaxodon, a member of the cynodont group, which includes the ancestors of mammals Further information: Evolutionary history of life The evolution of mammals within the synapsid lineage (sometimes called mammal like reptiles )… …
39Choanoflagellate — Choanoflagellates Scientific classification Domain …
40Synapomorphy — In evolutionary biology, a synapomorphy is a derived character state shared by two or more terminal groups (taxa included in a cladistic analysis as further indivisible units) and inherited from their most recent common ancestor. Derived in this… …
