computer generated graphic of grass leaf cells highlighting specialist cells that assist the absorption of carbon dioxide - 植物細胞 個影片檔及 b 捲影像00:34
microscopic footage of plant leaf cells showing chloroplasts containing chlorophyll - 植物細胞 個影片檔及 b 捲影像00:14
computer generated graphic of green cyanobacteria floating and dividing in water - 植物細胞 個影片檔及 b 捲影像00:11
red blood cells. animated scanning electron micrograph (sem) of red blood cells (erythrocytes). - 植物細胞 個影片檔及 b 捲影像00:14
asexual gemmae within gemma cup on thallus of liverwort (marchantiophyta), scotland - 植物細胞 個影片檔及 b 捲影像00:13
/ scientist in lab with microscope / microscope / microscope shots of plant cells. - 植物細胞 個影片檔及 b 捲影像00:44
flowering plants and their parts - part 18 of 26. reviews the typical structure of the "higher" green plants and illustrates, through demonstrations, the functions and interdependence of their parts - 植物細胞 個影片檔及 b 捲影像00:33
evolution of vascular plants: the ferns - part 19 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 advanta - 植物細胞 個影片檔及 b 捲影像00:29
