Gymnosperms
Channel: Plant Systematics
Date: 2021-01-16

Gymnosperms versus Angiosperms 0:51
Phylogenetic placement 2:16

Characteristics of the Vascular Plants
Vascular cambium 3:48
The seed 13:19
Heterospory 20:04
Endospory 25:21
Pollen 26:28
Ovule 28:04 
Pollen tube 33:44
Fertilization 35:07
Sections of ovules and seeds 39:09
Adaptive significance of the seed 43:14 

Please visit my blog on scientific communication for ideas and resources: https://presentingscienceconcisely.com/blog