amphibian embryo (frog, toad, and salamander) - part 2 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 - 抱合 個影片檔及 b 捲影像00:30
amphibian embryo (frog, toad, and salamander) - part 1 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 - 抱合 個影片檔及 b 捲影像00:34
mating glass frogs (family centrolenidae) in the characteristic amplexus position, with the male grasping the female from behind. - 抱合 個影片檔及 b 捲影像00:14
mating glass frogs (family centrolenidae) in the characteristic amplexus position, with the male grasping the female from behind. - 抱合 個影片檔及 b 捲影像00:11動物交配
mating glass frogs (family centrolenidae) in the characteristic amplexus position, with the male grasping the female from behind. - 抱合 個影片檔及 b 捲影像00:11
mating glass frogs (family centrolenidae) in the characteristic amplexus position, with the male grasping the female from behind. - 抱合 個影片檔及 b 捲影像00:10
