What people are saying - Write a review
We haven't found any reviews in the usual places.
Diversity within and between species 7 Nomenclature
Darwin and natural selection 25 Gene pools and speciation
Macroevolution homologies and phylogeny
acoels adaptive zone adult algae ameboid amino acids ancestor animal diversity ANiMAL phylogeny annelids appendages archetype arthropods bilaterally symmetrical biology biology's UNFiNished business birds body cavities cavities and segmentation cells cellular changes chordates ciliated cnidarians coelom complex Darwin digestice dorsal embryo enterocoelous eohippus epidermis EUMETAzoAN evolution evolutionary evolved example exoskeleton external FEATUREs of ANiMAL fertilization Figure flagellated flatworms formation fossil record free-living functions gastrodermis gene pool genera genetic germ layers gill homologies ingest internal larva larval form layer MAJOR FEATUREs medusa mesoderm metazoans mode molecules molluscs multicellular muscles mutational natural selection niches organ systems origin Paleozoic parasitic phyla phyletic phylogenetic phylogenetic studies phylum planula polyp Pools AND species populations present problem proteins protozoa pseudocoel Redrawn schizocoelous selection pressures sequence similar spiral cleavage sponges stage structure symmetry taxa taxon tion traits trochophore tube turbellarian unicellular variety vertebrates worms