This seventh edition is a thoroughly updated version of the long‑established Ruppert/Barnes text, now co‑authored with Richard Fox. It provides a phylogenetically informed survey of all major invertebrate phyla: Emphasizes evolutionary origins and functional morphology of invertebrates Covers classical groups (Protozoa, Porifera, Mollusca, Arthropoda, Echinodermata), as well as newer …
Edward O. Wilson’s Sociobiology: The New Synthesis (1975) introduced the field of sociobiology, proposing that social behavior across animal species—including humans—has a biologically evolved basis. It explores topics such as altruism, dominance, mating systems, kin selection, eusociality, and group living, across insects to primates. The 25th Anniversary edition adds a new introduction …