sporophyte (spore capsule stalks) on moss, ambleside, lake district, uk. - protallo video stock e b–roll00:09
female archegonial head above thallus of liverwort (marchantiophyta), scotland - protallo video stock e b–roll00:18
female archegonial head above thallus of liverwort (marchantiophyta), scotland - protallo video stock e b–roll00:10
asexual gemmae within gemma cup on thallus of liverwort (marchantiophyta), scotland - protallo video stock e b–roll00:13
female archegonial head above thallus of liverwort (marchantiophyta), scotland - protallo video stock e b–roll00:10
gymnosperms - part 14 of 29. demonstrates that gymnosperms are seed plants which bear their seeds on cones. animation and time-lapse sequence trace the life cycle of the pine through the growth of the pollen and seed cones, pollination, fertilization, and - protallo video stock e b–roll00:32
gymnosperms - part 9 of 29. demonstrates that gymnosperms are seed plants which bear their seeds on cones. animation and time-lapse sequence trace the life cycle of the pine through the growth of the pollen and seed cones, pollination, fertilization, and - protallo video stock e b–roll00:32
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 - protallo video stock e b–roll00:29
evolution of vascular plants: the ferns - part 17 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 - protallo video stock e b–roll00:30
evolution of vascular plants: the ferns - part 16 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 - protallo video stock e b–roll00:34
evolution of vascular plants: the ferns - part 15 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 - protallo video stock e b–roll00:35
sporophyte (spore capsule stalks) on moss, ambleside, lake district, uk. - protallo video stock e b–roll00:09