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Actually the leaves on some trees drop everywhere in fall (not just in the eastern US) and the leaves on other trees never drop.
The trees that drop their leaves in fall are called deciduous and the trees that never drop their leaves are called evergreen.
The reason for the phenomenon you are describing is that in the eastern US forests have many more deciduous trees than evergreen trees, while in the western US forests have many more evergreen trees than deciduous trees. But forests on both sides of the US always have some of both types.
Deciduous trees drop their leaves in fall mostly as a way to minimize water loss in winter to the cold dry air. Evergreens have an entirely different means of coping with cold dry air in winter.
What else can I help you with?
What are signs of fall?
The colors of the leaves of deciduous trees change, then drop.
What plants drop there leaves in autumn?
Trees. The leaves *fall from the trees in autumn. That's why some people call it *fall instead of autumn.your friend,----- Bucky Badger of WISCONSIN
Do Coniferous trees have large broad leaves that drop in the fall?
No they don't. What kind of trees are coniferous? It means, cone bearing. So, the most familiar kind of cone on a tree is the pine cone. What kind of leaves do pine trees have? They have needles, very narrow leaves that do not drop off in the fall, but stay on all year. Some conifers, such as the Larch, drop their leaves in the Autumn, but they do not have large broad leaves.
Do their leaves fall in winter?
Yes some plants have leaves which fall of like mango leaves . But there are some plants of which leaves do not fall , like oak leaves.
What trees drop their leaves as winter approaches and grow new leaves in spring?
Deciduous trees are the ones that drop their leaves in the fall as winter approaches and grow new leaves in the spring. This cycle is also known as leaf fall or abscission. Popular examples of deciduous trees include oak, maple, birch, and beech.
What do you think happens to the plants and animals in autumn?
All trees are perennial. Deciduous trees drop their leaves in the Autumn. Evergreens do not drop them at any specific time of year.
Do trees drop leaves in an order?
Leaves dont fall in any order because those leaves ehich wither away early fall early than other leaves.
Name one kind of forest where the trees have large flat leaves that drop in the fall?
forest
What name is given to trees that keep their leaves in the winter?
Trees that drop their leaves for winter are in a group called "Deciduous".
What causes leaves to fall from trees?
Leaves fall from trees in the autumn because the tree stops producing chlorophyll, which gives leaves their green color. As the days get shorter and temperatures drop, the tree seals off the connection between the leaf and the branch, causing the leaf to eventually fall off.
Why don't the trees in the tropical rainforest drop their leaves?
All leaves will eventually drop off trees... there is no real way to prevent that from happening. Leaves die and gravity does the rest. However, trees in the tropical rainforests are not deciduous-- meaning they do not drop all of their leaves in autumn. Because it is summer year-round in the tropical rainforests, there is no autumn and the leaves do not change colors or all fall at once.
What do trees in temperate climates gain when they drop their leaves in the fall?
Well, when they drop they're leaves in the fall, they go dormant, so they don't really do much. (I live in a temperate climate, I should know.) However, during the fall, some species of trees (like the oak or hickory) produce nuts that you can collect and either eat or plant so you can enjoy more beautiful trees.
