What are ways species exchange genes with each other? Hybridization and gene flow are shortcuts to biodiversity that don’t always involve differentiation.

Flowers of the wild sunflowers seen on roadsides ... such as for sunflower oil. For edible sunflower seeds, you need to grow ...

“Almost all seed-eating birds prefer black oil to striped sunflower,” says Brian Cunningham, product and hobby education manager for Wild Birds ... plant, Helianthus annuus, there are many ...