microscopic footage of the stomata of a plant leaf opening and closing sped up 140 times - 氣孔 個影片檔及 b 捲影像00:23綠色
photosynthesis (3rd edition) - part 5 of 35. a fascinating look at a process that is one of the key energy producers for all life - and the current research being done to expand its potential use. the film examines chemical changes and structures involved - 氣孔 個影片檔及 b 捲影像00:34
extreme close up full frame of coastal ocean blowhole creating golden mist from backlit sunset - 氣孔 個影片檔及 b 捲影像00:17
humpback whale(megaptera novaeangliae) breathing and spouting in vavau islands / tonga - 氣孔 個影片檔及 b 捲影像00:17鯨魚
a humpback whale (megaptera novaeangliae), swims close to the surface, spouts, and disappears into the blue depths of the pacific ocean. - 氣孔 個影片檔及 b 捲影像00:29鯨魚
one neophocaena phocaenoides (indo-pacific finless porpoise) swimming in water / south korea - 氣孔 個影片檔及 b 捲影像00:11海豚, 鯨魚, 微笑
humpback whale (megaptera novaeangliae) mother and calf swimming along surface of water and spraying water out of blowholes / tonga, south pacific - 氣孔 個影片檔及 b 捲影像00:31
humpback whale (megaptera novaeangliae) mother flipper-slapping and calf lunging out of water / mother spouting water out of blowhole / tonga, south pacific - 氣孔 個影片檔及 b 捲影像00:38
humpback whale (megaptera novaeangliae) mother and calf surfacing, spouting water out of blowhole, and diving / tonga, south pacific - 氣孔 個影片檔及 b 捲影像00:16
humpback whale (megaptera novaeangliae) calf breaching / fluking / swish pan to mother breaching / tonga, south pacific - 氣孔 個影片檔及 b 捲影像00:21
pod of humpback whales (megaptera novaeangliae) surfacing, spouting water out of blowholes, flipper-slapping, and fluking up / tonga, south pacific - 氣孔 個影片檔及 b 捲影像00:23
pod of humpback whales (megaptera novaeangliae) surfacing and spouting water out of blowholes / tonga, south pacific - 氣孔 個影片檔及 b 捲影像00:22
boat point of view looking onto shoreline / humpback whale (megaptera novaeangliae) mother and calf surfacing and diving / tonga, south pacific - 氣孔 個影片檔及 b 捲影像00:24
humpback whale (megaptera novaeangliae) mother and calf flipper- and tail-slapping and spouting water out of blowhole / tonga, south pacific - 氣孔 個影片檔及 b 捲影像00:27