05:10Bitesize PrimaryDarwin's AlbumEpisode 3: The Survival of OffspringBBC Two Duration: 20 minutes Tue 27th Sep 2011, 05:10 on BBC Two WalesA selection of clips taken from BBC programmes to support Primary science teaching. Including material about the survival of offspring.GenresLearningPrimaryBrandBitesize PrimarySeriesBitesize Primary: Darwin's Album Source: BBC Online