Transport in Animals - F211

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  • Created by: KHill
  • Created on: 27-11-14 15:08

1. what happens to oxygen/nutrients which diffuse into multicellular organisms?

  • The substances diffuse first in the deeper layers of cells, working their way to the outer layers
  • The substances diffuse
  • The oxygen/nutrients are used up by the outer layers of cells and so will not reach cells deeper within the body
  • The substances diffuse into cells in all layers
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Other questions in this quiz

2. Large surface-area-to-volume ratio limits what in organisms?

  • Digestion
  • Heat loss
  • Growth
  • Reproduction

3. When animals grow larger...

  • their surface area increases
  • their cells grow larger
  • their volume increases but not their surface area
  • their surface area and volume increases

4. Animals that do which 2 things need more energy?

  • Animals which keep themselves warm and which are very active
  • Animals which regulate their body temperature and have a fast metabolism
  • Animals which have a fast metabolism and which sleep a lot

5. To allow animals to grow larger they need what?

  • A range of systems in the body which support the growth
  • A range of tissues & structural support to give the body strength
  • A large amount of cells to duplicate via mitosis
  • Bones and Ligaments

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