Here's why:
* Mosses are non-vascular plants. This means they lack the specialized tissues that vascular plants have for transporting fluids:
* Xylem: Carries water and minerals from the roots to the rest of the plant.
* Phloem: Carries sugars produced by photosynthesis from the leaves to other parts of the plant.
* Mosses rely on diffusion: They absorb water and nutrients directly from their surroundings through their surface cells. This limits their size and restricts them to moist environments.
Other examples of non-vascular plants include:
* Liverworts
* Hornworts
Let me know if you have any more questions!