Answer:
The plants described in the question that have free-living sporophytes, with the sporophyte generation dominant and larger than the gametophyte generation, and where the gametophyte generation stays inside the spore wall are:
Ferns
Selaginella (a type of lycopodium)
Conifers
Mosses
So, the correct answer is: Ferns, Selaginella, Conifers, and Mosses.
Step-by-step explanation: