Discuss briefly how the innovations of the more derived plant groups make them better adapted to take advantage of a greater variety of environments and able to outcompete the less derived groups in some circumstances.

As discussed below.

Explanation:

The refers to the case pf the adaption by the evolution and natural selection of the various plant species that adapt themselves to the high altitudes of the arctic and the tundra and those that have adapted to the tropical areas which compete for the sunlight, space and water resources like those in hot deserts.  Like the plants with the vascular tissues allows them to more efficiently transport materials, seeds dispersal and other mechanisms that help them survive in the harsh climates.

The answer - c apex