04:40Bitesize PrimaryDarwin's AlbumEpisode 3: The Survival of OffspringBBC Two Duration: 20 minutes Tue 23rd Nov 2010, 04:40 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