1. B2 REVISION COORDINATION AND CONTROL
Name the five sense organs: .
Fill in the blanks:
Receptor  _________ __________________ _________  _________ _________  effector
Describe the reflex arc shown in this diagram
What is the menstrual cycle?
Describe how the hormones of the menstrual cycle interact
FSH
Oestrogen
Progesterone LH
Draw a diagram of geotropism in roots and shoots:
What is a hormone?
What is the function of the following glands:
Pituitary gland
Thyroid gland
Adrenal Gland
Pancreases
Ovary
Teste

2. B2 REVISION – Homeostasis Thermoregulatory centre
Thermoregulation:
Describe how the body reacts when it is cold:
Describe how the body reacts when it is hot:
Draw the thermoregulation feedback loop:
Blood glucose:
Describe how insulin controls blood sugar levels in the body:
Describe how glucagon controls blood sugar levels in the body::
Draw the blood glucose feedback loop:
Diabetes:
What is the difference between type 1 and type 2 diabetes?:
What are the causes of type one and type 2 diabetes?
What are the treatments of type 1 and type 2 diabetes?
State the internal conditions that the body needs to maintain:
KEY WORDS:
Temperature
Thermoregulatory centre
Hypothermia
Insulin
Type 1 diabetes
Glucagon
ASSESSMENT:

3. B2 REVISION – CHAPTER 5 – Cell Division and Growth
What is an allele?
What does a) dominant; and b) recessive mean?
Draw a punnet's square to show how two brown eyed parents can have a blue eyed child
Labe l the diagram:
A gene is a section of D____. It controls a c____________ of your body. You have ___ chromosomes in the n______ of your b_______ cells. Arranged in _____ pairs. One of each pair is inherited from your m________ and one from your f_________. Your sex cells or g_________ only have _____ chromosomes.
What is the name of this process?
Write down an explanation of what is happening at each stage in the boxes.
How many daughter cells produced?
Are the genes identical or different to parental cell?
Why and where do cells undergo mitosis?
A mnemonic for mitosis:
“Mitosis goes on in my toes, and toes are not sexy”
What is the name of this process?
Write down an explanation of what is happening at each stage in the boxes.
How many daughter cells produced?
Are the genes identical or different to parental cell?
Why and where do cells undergo meiosis? 3

4. B2 REVISION – VARIATION & REPRODUCTION
Define these key words:
Genes:
Chromosomes:
DNA:
Phenotype:
Genotype:
Genome;
Homozygous;
Heterozygous::
Mutation:
Explain how chickens have been selectively bred since 1957 to produce the chickens we have today:
Fill in the gaps to explain genetic engineering of insulin:
The first step in the biotechnological process is that a special enzyme is used to cut the insulin out from a human In a separate operation, a ring of bacterial is cut open using a special enzyme. These two pieces of genetic material are combined together to form a new plasmid ring which is inserted into a bacterium. The bacterium is placed in an _________
What is sexual reproduction?
What is asexual reproduction?
KEY WORDS:
Genes
Clones
Gametes
Tissue culture
Chromosomes
Genetically modified
DNA
Sexual / asexual reproduction
Genetic engineering
ASSESSMENT:

5. B2 REVISION - OLD & NEW SPECIES
How do these fossils support the theory of evolution
What are fossils?
Name and escribe 4 ways they can be formed
Why do we describe fossil records as incomplete?
What is extinction?
Describe how…
…environmental change leads to extinction
…organisms can cause extinction
Describe how new species can evolve through geographical isolation:
Higher: include info on speciation
What caused the extinction of the dinosaurs?
KEY WORDS:
Fossils
Extinction
Geographical isolation
Endemic
Speciation
ASSESSMENT:

6. B2 REVISION ADAPTATION FOR SURVIVAL
How are plants adapted to different environments?
How are animals adapted to different environments?
What do plants compete for and why?
What do animals compete for and why?
How can plants and animals be used to measure environmental change?
KEY WORDS:
Adaptations
Stomata
Carnivore
Respiration
Herbivore
Competition
Extremophiles
Territory
Surface area : volume ratio
ASSESSMENT:

7. Sustainable food production
B2 REVISION – Ecology
Define the following;
Producer:
Primary Consumer:
Secondary Consumer:
Apex Predator:
Herbivore:
Carnivore:
Omnivore
What will happen to the snake population if the number of titmice decrease?
What will happen to the other organisms if the fox population decreases?
What will happen to the other organisms if the butterfly population decreases?
How many food chains are in this food web?
List some biotic factors that can effect and ecosystem:
List some abiotic factors that can effect an ecosystem :
What is biodiversity and why is it important?
KEY WORDS:
Non-renewable
Biodiversity
Distillation
Industrial waste
Global warming
Carbon neutral
Greenhouse gases
Exothermic
Sewage
Sustainable food production
Ecology
Greenhouse effect
Eutrophication
Mycoprotein
Acid Rain
Biofuels
Fermenters
Deforestation
Biogas
ASSESSMENT:

8. B2 REVISION Organisms in their environment
Physical Factor
How does it affect organisms?
Temperature
Nutrients
Amount of light
Availability of water
O2 and CO2 availability
Key definitions:
Mean:
Median:
Mode:
Reproducible data:
Valid data:
Transects
What is the most common type of transect?
What do we use a transect for?
Explain how do you use a transect
Is it random?
Quadrats
What is a quadrat?
What do we use it for?
What do you do to get valid results? 8