Which characteristic makes a cell membrane selectively permeable?

Where would you expect to see seedless plants, such as ferns and mosses? a. in a botanical museum, because they are all extinct b. low and close to the ground in a moist environment c. climbing high while circling the branches of another plant d. deeply rooted in a forest with a trunk that reaches 20 meters or more

Someone me with this: a mineral' is determined by its actomic structure.

The sea slug that considered to be a photosyntheesizing animal