mammals, archaeopteryx, eukaryote, monotremes, chordates, australopithecines, crocodilians, archeopteryx, species, subfamily, arthropods, taxa, anthropoids, tetrapods, pterosaurs, hominids, sauropods, theropods, genus homo, angiosperms, ichthyosaurs, echinoderms, australopithecus, herbivores, metazoan, tyrannosaurs, planaria, placentals, stickleback, phyla, crinoids, bipedalism, ostracods, prokaryotes, plesiosaurs, genus australopithecus, organisms, humans, invertebrates, jawless fish, hominoid, theropod dinosaur, flatfishes, psittacosaurus, faunas, paranthropus, multicellularity, chlamydomonas, fossils, primates, xenopus, prosimians, phylogeny, forelimbs, habilis, hindbrain, amphibians, devonian period, amphioxus, dinosaurs, lineages, archosaur, damselflies, australopithecus africanus, volvox, protists, trilobites, brachiopods, flatworms, baleen whale, stegosaurs, damselfish, placoderms, evolutionary, megafauna, ontogeny, mangabeys, homo sapiens, bryophytes, tuataras, clade, teleost fish, endemism, mantis shrimp, placental mammal, ciliates, bryozoans, braincase, speciation, gymnosperms, caecilians, marsupials, striated muscle, springtails, lemurs, coelacanth, olfactory bulb, mammalia, symbiont, coevolution, stegodon, interconversion, vertebrate, reptiles, teleosts, ruminants, ungulates, molluscs, mollusks, apes, fishes, gastropods, mammal

acanthocephala, acanthocephalan, air-breathing, allantois, amnion, amnios, amniota, amniotic sac, amphioxus, anaspida, ans, ascaridae, autonomic nervous system, belly, bird, bird family, blood, bone, bunyaviridae, cardinal vein, caudal fin, caul, cephalaspida, cestode, chest, chigger, chilomastix, chlamydiaceae, chordata, chorion, class mammalia, class reptilia, cnidosporidia, coccidium, conodonta, conodontophorida, costa, creatin, creatine, creatine phosphate, creatine phosphoric acid, cuticle, dactyl, digit, distributively, dorsal fin, dracunculus medinensis, eimeria, embryonic membrane, endoskeleton, epidermis, family ascaridae, family chlamydiaceae, family rickettsiaceae, filaria, fish, genus chilomastix, genus giardia, genus trichomonas, gnathostomata, guinea worm, haemosporidian, hand, haplosporidian, harvest mite, helminth, hip, ig, immune gamma globulin, immune globulin, immune serum globulin, immunoglobulin, iodopsin, jawbone, jigger, jowl, lancelet, lower jaw, lower jawbone, lung, mammalia, mandible, mandibula, mandibular bone, maxilla, myelencephalon, notochord, order anaspida, order conodonta, order conodontophorida, order ostracodermi, order sarcosporidia, os, osteostraci, ostracodermi, ovary, parasitic worm, pectoral girdle, pectus, pedal extremity, pelvic arch, pelvic girdle, pelvis, phosphocreatine, phylum acanthocephala, phylum chordata, pisces, poxvirus, redbug, reptilia, retinal purple, rhodopsin, rib, rickettsiaceae, sarcocystidean, sarcocystieian, sarcosporidia, sarcosporidian, skull, spiny-headed worm, subclass cnidosporidia, submaxilla, suborder cephalaspida, suborder osteostraci, superclass gnathostomata, tail fin, tapeworm, tarsier, thorax, tooth, trombiculiid, turbinal, turbinate, turbinate bone, upper jaw, upper jawbone, veil, vertebrate foot, vertebrate paleontology, visual purple