19. When the water level was maintained 2 cm above the substrate surface, which floodplain plants, the T species plants or the S species plants, had the greater average dry root biomass per plant?

Answer and Explanation

Your Answer is

Correct Answer is A

Explanation

The condition given in the question stem is 2 cm above the surface, so we can see from table 2 that we should pay attention to Treatment 3;

Because the question stem asks about root biomass, so see figure 2, It is found that the root biomass of Rp is the largest;

Compared with table 1, the classification of Rp is T, which is flood-tolerant