can a tree's leaves also absorb water just like it's roots? chetski139?

Answer 1

The plant leaf is covered with a waterproof waxy layer called the cuticle. The lower leaf surface contains small holes called stomata. These stomata allow gases to enter and leave the leaf. The only way water can enter a plant is through it roots. Water vapor leaves the leaf pulling on the water in the xylem that has been absorbed by the roots. Water thus goes in one direction from the roots, to the xylem, to the leaf, and then out into the atmosphere. If you have ever been in a tropical setting it always seem very humid. This is caused by all the water leaving the plants through their leaves.

Answer 2

Plants That Absorb Water

Answer 3

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Your teacher is correct, through the wording is what confused you. The roots absorb the most water (the greatest amount) yet it takes quite a while for the absorbed water to reach the cells in the tree as water travels in plants via capillary action and has to fight gravity. Therefore, the roots are inefficient in delivering water to the plant. The leaves of a tree can absorb water (technically all parts of the tree can) and deliver that water immediately to the cells of the plant, meaning they are more efficient when they absorb water, even though they can't absorb as much as the roots of a tree can.

Answer 4

Yes, to a degree. That is why growers mist certain house plants or water the foliage of certain landscape plants.
Now if a plant's life depended upon this process, it would die. Roots are like tubes taking in the water and dispersing it to all parts of the plant from the inside, including leaves.

Answer 5

No, a tree's leaves are only capable of removing water. See the answer about transpiration, it's right on the money. In addition, think of the water molecules as a big 'ol barrel 'o monkeys. You are a very thirsty tree, and you want to get water into your nice green leaves so you can convert light energy into delicious glucose and sucrose. To make your oh so delicious tree food, you need water. Big dilemma. Water in the ground, but you need it in your leaves. Thanks to the adhesive/cohesive (says water molecules stick together) properties of water, you can do just that. By opening your stomata, of which you are particularly proud, you take advantage of the second law of thermodynamics (states that the universe tends toward disorder) and allow water to leave your big barky body by evaporating off. As the one monkey leaves the chain, it pulls the next one along with it, providing you with a continual supply of fresh water. Aren't you clever! Still, you cannot effectively move water around your tree body from leaf to leaf, so you find no reason to waste any of your sweet, sweet glucose energy by figuring out how. Cool, ain't it? I believe all science can be explained by childhood games. Next installment: Right Foot on Blue: Evolutionary Biology, Twister and You.

- I should mention- trees can absorb water through their leaves, but keep in mind that respiration and transpiration are how trees drink and eat food. We absorb water through our skins, but we don't call it drinking. At the surface the answer is yes, but on a functional level, trees no more absorb water through their leaves than we drink through our skin. Gotta keep it all in context.

Answer 6

Yes plants including trees can absorb water through their leaves.

Answer 7

Actually the opposite happens: plants lose water through their leaves, when the water evaporates out of the leaves's stomatae. This is why some plants in deserts only open their stomata at night (to get CO2 for photosynthesis), in order to minimize this water loss.

Answer 8

Roots have become specialized for absorption, analogous to our small intestine. Leaves became specialized in light and calvin cycle reactions (photosynthesis occurring in the chloroplasts). During light reactions, water is needed - along with light - to make oxygen gas. During calvin cycle reactions, carbon dioxide is needed to make sugar for the plant. Anyway, the water that is needed to react with light comes from within the plant, i.e. the water is absorbed by the roots. Leaves do not absorb water. The pores (stomata) that are in the leaves are to release water from within if too much, for carbon dioxide to go in, and for oxygen to get out.

Answer 9

no its jst the process called transpiration it works like a siphon

there are absorbing tissues on the roots and stomata for the release

when the leaf loses water the roots suck the same amt of water dissolved with minerals so as to maintain a proper supply

so i guess u have understood that to push in water u got to removr it from somewhere before

Answer 10

yes the leaves can absorb water through the stomatal pores but via a different transport mechanism water is absorbed by the roots through a process called osmosis through a partially permeable membrane while water is absorbed by the leaf through a process called diffusion.