Silt would be your answer here
Answer:
Most liverworts can reproduce asexually by means of gemmae.
Explanation:
These are disks of tissues produced by the gametophytic generation. The gemmae are held in special organs known as gemma cups and are dispersed by rainfall.
the first signs appear in the stage of resistance
I think it would be zero if there is no pressure differential.
Answer:
Vascular plants have xylem and phloem that transport water and nutrients, and nonvascular plants do not.
Explanation:
In nonvascular plants, materials must travel from one cell to the next cell as they do not have special tissues of phloem and xylem.