Which of these is not characteristic of gymnosperms? A. Some members of this group contain cones
B. Some members of this group contain flowers
C. It contains conifers
D. Ovules are not completely enclosed by sporophyte tissue during pollination

for example, no new evidence will demonstrate that the earth does not orbit around the sun (heliocentric theory), or that living things are not made of cells (cell theory), that matter is not composed of atoms, or that the surface of the earth is not divided into solid plates that have moved over geological timescales .

it is because according to the process , scientific inquiry is a process with many steps because each step occurs to the scientist and if you just skip a step there would be no steps to scientific inquiry.