Which adaptation allowed gymnosperm plants to our compete spore bearing plants?

What is a filming site called? What is the botanical name of kakdi? What does se stand for on periodic table? What discovery convinced geoscientist that milankovitchs astronomical theory explained the major climate flucatuations of the pleistocene? What does si refer to on the periodic table of elements where is it found? What is the name for CaSO3? What are the main characteristic of a sponges? How many meters are there in 30 acres? How is a cactus adapted living in the desert? Which feature normally present in an animal cell is absent from a red blood cell? What two canals connect oceans and seas? What gland promotes conversion of glucose to glycogen? How doesnt the sun fall? What is the distance between planet krpton and earth? Where in the sky above Sydney is the south celestial pole? The presence of what on several continents supports continental drift? What time is teatime? In terms how genes work each cell type is able to carry out its pratical function? Are chromosome more condense than chromatin? What are some California mountain plants?

Which adaptation allowed gymnosperm plants to our compete spore bearing plants?