| 3.5 |
Blood Circulatory System in Animals and Transport System in Plants |
The differences and similarities of animal and plant transport systems:
Differences:
Animals
-
Blood is the tissue that transports substances
-
Consists of blood vessels (veins, capillaries, arteries)
-
Transporting oxygen gas and carbon dioxide
-
Has a pump (heart)
-
Not helped by environmental factors
Plants
-
The xylem and phloem are the tissues that transport substances
-
Consists of xylem and phloem
-
Does not transport oxygen gas and carbon dioxide
-
No pump
-
Aided by environmental factors such as air movement
Similarities:
-
Transporting water and nutrients
-
Has channels to transport the material needed by the cell
-
Having tissues involved in transporting the material the cell needs
-
Necessary materials are both transported over long distances from the source to the cells that need them
Example question:
| Question |
|
There are three people interested in donating blood.
The table shows the age, weight and health condition of the three individuals.
| Individual |
Age (years) |
Weight (kg) |
Health condition |
| A |
16 |
65 |
Healthy |
| B |
30 |
70 |
Healthy |
| C |
60 |
42 |
High blood pressure |
|
| Answer |
| Individual B. Individual B meets the age requirement of 18 years and above, weighs more than 45 kg and individual B is healthy. |
