Yes. They do it to escape the winter. Hope it helps.
I don’t know sorry but you can search on google or safari and see for icivics and it would help you
Answer – The Tide
The regular rising and falling of ocean water due to the gravitational pull of the Sun and Moon is known as the ocean tide. Primarily, it is the moon that is chiefly responsible for the rising and falling of ocean water; the gravity of the sun only reinforces the moon's gravity.
This is true , trees loose their leaves as a part of growth, also in seasons they loose leaves.
