Transcript Biology 3 Revision Sheets (Powerpoint)

B3 REVISION – Movement of substances in and out of cells
What are the four biological methods
of increasing the rate of movement:
Complete the table for each of the methods of movement:
1)
Method
2)
Type of substance (s)
Diffusion
3)
4)
Osmosis
Active Transport
Describe how the alveoli and villi are adapted for movement of substances:
Active or passive
Description of the process
B3 REVISION - Gaseous Exchange in Animals
Label the diagram of the lungs:
Describe the stages of inhalation:
Describe the stages of exhalation:
Describe the changes that will occur in the respiratory
What is the name for movement of gases in and out of the lungs?
What is the function of respiratory system?
system during exercise:
B3 REVISION – Exchange Systems in Plants
Labe cross section of the leaf:
How is the root hair cell adapted to increase absorbtion?
What substances are absorbed by the roots?
Add labels for the stomata
What is the role of the stomata in gas exchange?
What will happen in the plant if water is lost from the leaves at a
greater rate than it is being absorbed by the roots?
Which gases are exchanged in the leaves of plants:
1.
2.
3.
What will the plant do to reduce water loss?
B3 REVISION –Transport Systems in Animals
Label the diagram of the heart:
What is meant by a double
circulatory system?
x
y
Why is the wall labelled x thicker than the wall labelled y?
Label the blood vessels, and describe how they are adapted:
B3 REVISION – Blood and Treatment of Heart Conditions
What are the components of blood?
What is the role of:
1.
1) Red blood cells:
What is the vessel that is labelled x?
2.
3.
4.
What can be transported in the blood
2) White Blood Cells:
plasma:
x
3) Platelets:
What causes the blockage?
Label the red blood cell and how it is adapted to its function:
What are the two treatment options for this?
1)
2)
B3 REVISION – Transport Systems in Plants
What is the name for this piece of equipment:
Name the two transport vessels
1)
2)
How can it be used to measure transpiration?
Where does vessel 1 carry the water to?
What is the name for the movement of water up the vessel?
What factors could be changed to change the rate of
What causes the movement of water up the plant?
What would be a more accurate description of food being transported in vessel 2
transpiration?
B3 REVISION – Homeostasis: Water Control
What substances get removed by the kidneys?
Explain how a dialysis machine works:
What moves out of the blood at
point X?
What substances will be re-
absorbed?
x
What are the advantages of transplant:
What factors will affect the concentration of urine produced?
How do they reduce the risk of the kidney transplant being
rejected?
B3 REVISION – Homeostasis: Temperature Control
How is body temperature monitored?
Explain how vasodilation helps to maintain body temperature?
Explain how vasoconstriction helps to maintain body temperature?
a
b
a
b
c
c
What other methods can help to increase heat loss?
What other methods can help reduce temperature loss or warm the body
up?
B3 REVISION – Homeostasis: Sugar Control
Which organ monitors blood glucose concentration?
What causes type 1 diabetes?
Which hormones does it release?
How can this be treated?
1)
2)
What is the target organ of the hormones?
B3 REVISION – Humans and the Environment: Waste and Deforestation
Describe the pattern in the rise in human population:
What problems can waste cause?
Water:
Air:
Land:
How does human activity reduce land use?
What problems will this cause?
What is causing an increase in rates of deforestation?
What problems does this cause?
Why does destruction of peat bogs cause problems?
B3 REVISION – Humans and the Environment: Biofuels and Food Production
What problems are increasing carbon
What is bioethanol?
Food production
dioxide levels causing?
How energy lost from the food chain?
What are the benefits of bioethanol?
How can farmers limit energy loss from food chains?
Fishing:
What is meant by sustainable fishing?
What is a biogas generator?
What is biogas made of?
What can be done to ensure farming is sustainable?
What can the biogas then be used
What are the benefits of these?
for?
What is fusarium and what can it be used to produce?