How Stuff Works explains that water reaches the leaves of plants through the xylem vessels, and it escapes through small holes in the leaf known as stomata. The process by which the water moves from the capillaries to the xylem vessels and into the stomata is called transpiration. Plants absorb water through their roots, which contain capillaries. The capillaries are responsible for sending water through the xylem vessels.Know More
According to the BBC, many plants contain 90 to 95 percent water. Since plants are made up of mostly water, they are dependent on it to stay alive. Water is responsible for the regulation of temperature in plants and for the transportation of nutrients throughout the plant. Plants receive water from rainfall, dew and natural and man-made irrigation systems in order to survive.
Green plants use water for photosynthesis. Photosynthesis allows plants to produce the sugar which they need for food. Plants are also dependent on water to support their physical structures. During the process of osmosis, which is the movement of water from the outside of a plant's cells to the inside of the cells, the plant's cell wall receives the structural support that it requires, according to How Stuff Works.Learn more about Botany
The stomata in plant cells can be found in the epidermis of leaves, stems and other parts of the plant involved in gas exchange. The pores inside the spongy layer of the plant leaf help aid in the exchange of gases between the leaf and its environment, and these pores eventually open up to the outside through the stomata.Full Answer >
There are guard cells surrounding each stoma that cause them to open or close throughout the life cycle of the plant. This occurs in response to water and ion concentration in the plant cell, according to Pearson Education.Full Answer >
Leaf stomata open when special cells on either side of the pore become full of water. One reason for poor plant growth during a water shortage is that the stomata do not open as often.Full Answer >
Stomata are found on the bottom of leaves to reduce dehydration. Water is lost through these small pores, which usually can only be seen with a microscope.Full Answer >