seed dispersal (2nd edition) - part 5 of 18. considers various means by which seeds are disseminated; how they anchor themselves to the ground to facilitate germination; and how they protect themselves. demonstrates the dispersal of seed plants by wind, t - 種子散播 植物學 個影片檔及 b 捲影像00:38
agouti, mcu agouti buries dipteryx seed amongst leaf litter on ground, zooms in . . .. panama. - 種子散播 植物學 個影片檔及 b 捲影像00:19
cu, canada, ontario, dundas, dried milkweed, seeds floating in background - 種子散播 植物學 個影片檔及 b 捲影像00:37
cu, selective focus, canada, ontario, dundas, milkweed seeds dispersed by wind - 種子散播 植物學 個影片檔及 b 捲影像00:23
cu, selective focus, canada, ontario, dundas, milkweed seeds dispersed by wind - 種子散播 植物學 個影片檔及 b 捲影像00:35
cu, selective focus, canada, ontario, dundas, dried milkweed, seeds floating in background - 種子散播 植物學 個影片檔及 b 捲影像00:32
cottonwood (populus angustifolia) seeds drift through air, yellowstone, usa - 種子散播 植物學 個影片檔及 b 捲影像00:12
cottonwood (populus angustifolia) seeds on lake surface, yellowstone, usa - 種子散播 植物學 個影片檔及 b 捲影像00:12
cottonwood (populus angustifolia) seeds drift through air, yellowstone, usa - 種子散播 植物學 個影片檔及 b 捲影像00:12種子
cottonwood (populus angustifolia) seeds drift through air, yellowstone, usa - 種子散播 植物學 個影片檔及 b 捲影像00:12
cottonwood (populus angustifolia) seeds drift through air, yellowstone, usa - 種子散播 植物學 個影片檔及 b 捲影像00:12
common grackle (quiscalis quiscula) calls amongst drifting cottonwood (populus angustifolia) seeds, yellowstone, usa - 種子散播 植物學 個影片檔及 b 捲影像00:09
common grackle (quiscalis quiscula) calls amongst drifting cottonwood (populus angustifolia) seeds, yellowstone, usa - 種子散播 植物學 個影片檔及 b 捲影像00:20
cottonwood (populus angustifolia) seeds drift through air, yellowstone, usa - 種子散播 植物學 個影片檔及 b 捲影像00:14
close-up shot of a child kneeling on grass while planting seeds in rich dark soil of a raised garden bed. the child's hand reaches into the freshly turned earth with a white paper holding pea seeds visible nearby. surrounded by green grass and weeds. the - 種子散播 植物學 個影片檔及 b 捲影像00:05
close-up shot of a child kneeling on grass while planting seeds in rich dark soil of a raised garden bed. the child's hand reaches into the freshly turned earth with a white paper holding pea seeds visible nearby. surrounded by green grass and weeds. the - 種子散播 植物學 個影片檔及 b 捲影像00:06
red-vented bulbul bird is eating guava fruit on a guava tree, carefully picking out the seeds and looking around with alert eyes in tehatta, west... - 種子散播 植物學 個影片檔及 b 捲影像00:18
red-vented bulbul bird is eating guava fruit on a guava tree, carefully picking out the seeds and looking around with alert eyes in tehatta, west... - 種子散播 植物學 個影片檔及 b 捲影像00:19
red-vented bulbul bird is eating guava fruit on a guava tree, carefully picking out the seeds and looking around with alert eyes in tehatta, west... - 種子散播 植物學 個影片檔及 b 捲影像00:19
red-vented bulbul bird is eating guava fruit on a guava tree, carefully picking out the seeds and looking around with alert eyes in tehatta, west... - 種子散播 植物學 個影片檔及 b 捲影像00:20
