Assuming that you're talking about the myth of Greek Gods, the purpose of the myth is for an Explanation of natural Phenomena. For example if sailors in that era were trapped in a massive storm in the middle of the sea, they will say something like : "we've angered the Poseidon"
Answer:
The main difference between vascular and nonvascular plants is that a vascular plant has vascular vessels to carry water and food to all the different parts of the plant.
Nonvascular plants are most commonly found in moist environments, which ensures they get enough water without relying on roots.
Tree ferns is example of a vascular plant
Mountain fern moss is an example of a nonvascular plant.
