Species and Speciation

adaptation afarensis allopatric australopithecines behaviour biology boisei bovids butterfly Cape Capensis floral element Capensis region cells character displacement chromosomal cladistic cladogenesis competition concept of species divergence Dobzhansky early Homo ecology ecosystem effect Eldredge environment environmental evidence evol evolutionary extinction fertilization system fossil record Fynbos gene flow generalists genetic Gould groups habitat hominid evolution hypothesis individuals insects interspecific isolating mechanisms Isolation Concept Journal of Science Kromdraai lation lineage London mate recognition Mayr monophyletic morphological Myr B.P. Namib Namib Desert niche occur ontogenetic organisms paraphyletic parsimony Paterson pattern phenotype phyletic phyletic evolution phyletic gradualism phylogenetic phylogeny plants popu population predation Pretoria punctuated equilibria Recognition Concept reproductive robustus role sexual SMRS South African Journal southern Africa Species and speciation species concept Sterkfontein suggested Swartkrans sympatric Systematic Zoology taxa taxonomic temperature tenebrionids theory tion TOBIAS Transvaal Museum types University Press variation Vrba