Most candidates could however not state the differences and similarities between transport systems
in flowering plants and animals. A few candidates could only state one similarity i.e. use of a fluid
medium. Expected answers include:
Features |
Plants |
Animals |
Medium |
Medium of transport is water |
Medium of transport is blood; |
Transport vessels |
Transport vessel is of non-living |
Transport vessels is of living |
|
cells |
cells |
Substances transported |
Only food substances transported |
Food substances and wastes |
|
|
products |
Mechanism |
Mechanism is as a result of |
Mechanism is through the |
|
transpiration, osmosis etc. |
pumping of the heart. |
Environmental factors |
Transport depends on |
Transport does not depend on |
|
environmental factors e.g. wind, |
environmental factors . |
|
temperature etc. |
|