Page 1 of 4 - About 35 Essays
  • Xylem Vessel Length In Woody Plant

    A Global Analysis Of Xylem Vessel Length In Woody Plants is a research paper published in the American Journal of Botany. Dr. Anna L. Jacobsen led the research efforts along with support from Dr. Pratt, Dr. Tobin, Dr. Hacke, and Dr. Ewers. The aims of their research were to explain the physiological role that xylem vessel length have on a plant 's hydraulic architecture. To effectively explain the relationship, researchers focused on a couple of key questions. First, they wanted to determine if vessel length could be divergent among plants that have different in ecological characteristics. Second, was to determine what traits affect plant vessel length. Third, was to see if there was a relationship between plant vessel length and diameter and…

    Words: 952 - Pages: 4
  • Water Tension In Xylem Channels

    The main objective of this study was to determine whether the rate of cavitation in xylem channels correlates with tree height by measuring the water tension from leaves at the top against leaves from the bottom of Acer Platanoides (Norway Maple) trees. We hypothesized that water tension would be higher at the top of trees than at the bottom. The secondary focus was to determine if varying water tension would affect the structural composition of leaves. In order to identify a relationship, we…

    Words: 1677 - Pages: 7
  • Hydraulic Failure Research Paper

    Cavitation occurs when the xylem pressure drops, allowing bubbles of air to form inside of the xylem tube. An embolism is the blocking of a xylem tube by an air pocket. If a tree experiences cavitation it will eventually starve to death from lack of water. Cavitation and embolism are similar concepts. Both are the blocking of the xylem with air or water vapor that prevents the tree from drinking. Cavitation and embolism can occur is a single xylem tube or many at once (Trifilo, Barbera, Raimondo…

    Words: 1051 - Pages: 5
  • The Animal Circulatory System

    two types of transport tissues in plants, Xylem and Phloem. Xylem is a specialized plant tissue that is responsible for carrying water and dissolved minerals or solutes that are absorbed from the roots and into the leaves. It makes up a large part in the stem of the plant, especially in woody plants in which the Xylem has matured into a large tree trunk. Individual cylindrical vessels are connected together to make up the Xylem, resulting to a continuous duct that conducts inorganic ions…

    Words: 1271 - Pages: 6
  • Polarity Of Plants Essay

    pass through the phloem. The phloems (phloem is the living tissue that transports the soluble organic compounds made during photosynthesis and known as photosynthates,)main function it to keep the cells passing by nourished and also hydrated. Inside the cells roots mineral, has a higher concentration than thee is in the soil surrounding plants. Froom that root pressure occurs, forcing the water through the root into the xylem(a compound tissue in vascular plants, it helps provide support and…

    Words: 898 - Pages: 4
  • Questions On Water Is Most Likely To Enter A Mesophyll Cell

    Which part of a plant absorbs most of the water and minerals taken up from the soil? A) taproots B) root hairs C) the thick parts of the roots near the base of the stem D) storage roots E) sections of the root that have secondary xylem Answer: B Topic: Concept 35.2 Skill: Knowledge/Comprehension 8) Land plants are composed of all of the following tissue types except A) mesodermal. B) epidermal. C) meristematic. D) vascular. E) ground tissue. Answer: A Topic: Concept 35.2…

    Words: 3736 - Pages: 15
  • Water Informative Speech

    How is this? Simply put, its cohesion. This is a property of water that allows it to be attracted to itself, so a water molecule is attracted to another water molecule via hydrogen bonds between the hydrogen atom and the oxygen atom. Thanks to cohesion, there is surface tension on water which allows pond skates to walk on it. Now the sibling of cohesion is adhesion, and this is when the water molecule is attracted to another substance because its force is greater than the cohesive force of…

    Words: 763 - Pages: 4
  • Cellular Respiration In Plant Life

    carried out; anaerobic or aerobic. Plants normally aerobically respite but in case of little to no exposure to air, anaerobic respiration is done. The process of cellular respiration takes place in the mitochondria of cells. All functions and structures in plants have been adapted to optimise the processes of photosynthesis and respiration. Plants have a root system, a stem, branches and leaves. The roots primary job is to absorb water and the nutrients from the soil. This is done with the…

    Words: 1302 - Pages: 6
  • Importance And Importance Of Photosynthesis In Agriculture

    in photosynthesis this gives the leave its green colour and transfers light energy into chemical energy or food. The veins that can be seen along the leaf transport substances to and from the cells of the leaf. there are several differant layers of a leaf. The waterproof cuticle layer, the cuticle is a waterproof waxy layer which protects against pasastic fungi and cuts down on water lost by evaporation. the upper epidermis transparent is also a single layer cell. They contain no chloroplast…

    Words: 994 - Pages: 4
  • The Importance Of Water In Organisms

    vacuole swells pressing against the cell wall. This pressure helps plants stand up straight and not wilt causing death As water is lost by transpiration from the leaves tension is created in the mesophyll cells causing the water droplets to move up the stem to the leaves against gravity. This is called capillary action and provides leaves with water for photosynthesis. This is a very important process for the existence of life as it creates oxygen, which is used by all organisms for respiration…

    Words: 769 - Pages: 4
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