Respuesta :
The fern is a popular seedless vascular plant.
Edward Jenner first "discovered" a vaccine for cowpox, which provided immunity for smallpox.
Edward Jenner first "discovered" a vaccine for cowpox, which provided immunity for smallpox.
The correct answer is fern.
A popular seedless vascular plant is fern.
Any plant possessing vascular tissue (xylem and phloem) includes ferns, conifers, and other flowering plants.
The given statement is True.
Edward Jenner is known to be the first English physician and scientist who was pioneer of small pox vaccine(world's first vaccine).
This vaccine was effective against small pox and helped by saving the life of the people.