In which habitat does the diurnal soil temperature vary most ?

In which one of the following habitat, does the diurnal temperature of soil surface vary most?

In which one of the following habitats does the diurnal temperature of soil surface vary most?

In which one of the following habitats does the diurnal temperature of soil surface vary most?

In which one of the following habitats, does the diurnal temperature of soil surface vary most?

Choose the correct answer : In which one of the following habitats , does the decimal temperature of soil surface vary most ?

In which habitat of soil insectivorous plants are found ? What is special in these plants ?