Angiosperms double fertilization
https://www.youtube.com/watch?v=bUjVHUf4d1I
gymnosperm fertilization
https://www.youtube.com/watch?v=D9byVQxvMXs&feature=youtu.be
flower breeding animation
http://passel.unl.edu/pages/animation.php?a=flowerbreeding.swf
USDA pollinators
https://www.fs.fed.us/wildflowers/pollinators/index.shtml
bat pollinators
https://www.youtube.com/watch?v=8KYOHNgEVAQ
wind pollen
https://www.youtube.com/watch?v=7SL76MaFjJ0&feature=youtu.be
double fertilization
https://www.youtube.com/watch?v=bUjVHUf4d1I&feature=youtu.be
African violet cuttings DIY
https://www.violetbarn.com/plant_care/lessons/propagating-african-violets-by-leaf/