Cards (8)

  • in unicellar organisms is the rate of diffusion fast or slow ?
    fast, because of the short distances substances have to travel
  • what are things plant cells need to survive ?
    water, minerals and sugars
  • in multicellular organisms is the rate of diffusion fast or slow ?

    very slow, because substances would have to travel large distances to reach every single cell
  • what are the 2 main transport systems in plants ?
    xylem and phloem
  • label this xylem tube
    A) water and minerals being transported from roots - shoot
  • what do xylem tubes transport ?
    water and minerals
  • what doe phloem tubes transport ?
    food (sucrose and amino acids)
  • label this phloem tube diagram
    A) phloem tube transports sucrose and amino acids
    B) transported from leaves to other parts of plant
    C) movement of food known as translocation