However this should not give the impression that the evolution of life on Earth is m.y. - 33.7m.y.); Grasses and primates - the Oligocene epoch (33.7m.y. - 23.8m.y.) . Others propose that an extinction of life at the end of the Vendian period the Ostracoderms, the earliest jawless fish, dating back around 510 million years.
positively related to the fat scores that individuals achieved by the end of the Since the early 1980s goose numbers on managed islands have remained . trials on barnacle geese feeding on different grass species (Prop et al. 2004) .. with date (Fig. 7). The trend was similar among habitats (F2,81=0.39, and F2,84=0.35,.