we really have to adapt to the rer": marie de leusse takes the rer d six times a day to travel between her flat in montgeron and the school where she... - 細胞質 個影片檔及 b 捲影像07:00
amphibian embryo (frog, toad, and salamander) - part 5 of 28. combining time-lapse and microphotography with animated cross-section diagrams, the film illustrates the developmental processes by which a single-celled amphibian egg is transformed into a man - 細胞質 個影片檔及 b 捲影像00:25
amphibian embryo (frog, toad, and salamander) - part 4 of 28. combining time-lapse and microphotography with animated cross-section diagrams, the film illustrates the developmental processes by which a single-celled amphibian egg is transformed into a man - 細胞質 個影片檔及 b 捲影像00:34
evolution of vascular plants: the ferns - part 8 of 28. describes the evolution of vascular systems in land plants. the highly specialized structures that occur in vascular plants are shown through investigation of the fern. explains the adaptive advantag - 細胞質 個影片檔及 b 捲影像00:31
evolution of vascular plants: the ferns - part 7 of 28. describes the evolution of vascular systems in land plants. the highly specialized structures that occur in vascular plants are shown through investigation of the fern. explains the adaptive advantag - 細胞質 個影片檔及 b 捲影像00:34
writing molecular assembler in digital media : molecular assembler stock mp4 video - background molecular assembler - 細胞質 個影片檔及 b 捲影像00:14
paramecium bursaria and its symbiotic relationship with the green alga called zoochlorella. - 細胞質 個影片檔及 b 捲影像00:24
paramecium bursaria and its symbiotic relationship with the green alga called zoochlorella. - 細胞質 個影片檔及 b 捲影像00:24
