IB Biology Option E

Define Stimulus

Define Response

Define Reflex

Draw a reflex arc
(10 labels)

How does a Reflex Arc work?

(5 points)

Draw the Stimulus - Response Model

Responses through Natural Selection or Inherited Behaviours

(2 Examples)

State 4 Types of Sensory Receptor, their stimulus and an example of where they work.

Name another 2

Label a Picture of the Human Ear

(10 labels)

Describe how Humans perceive Sound

(5 points)

Label a Diagram of the Human Eye

(15 labels)

Label a picture of the Retina
(8 labels)

Similarities and Differences (4) of Rod and Cone Cells

Explain Convergence as a form of Visual Processing

Describe the process of Edge Enhancement in Visual Processing

(Inc. 2 types of ganglion cell)

Explain Contralateral Processing as a form of Visual Processing

Define Innate Behaviour

Define Learned Behaviour

Define Taxis

Define Kinesis

An example of a Taxis Experiment

Kinesis Experiment Example

Wh is Learned Behaviour important?

Give an Example of how Learning helps to Avoid Danger

Give an example of Learning how to hunt/ obtain food

Explain how Learnt Behaviour helps to find Food

Other examples of Learned Behaviour
(3)

Explain the Conditioned Reflex
(Pavlovs Dogs)

Define Conditioning

Describe the development of Birdsong

Development of Birdsong Example

Explain how Excitatory Synapses work

Explain how Inhibitory Synapses work

Describe how Decisions are made in the CNS
(Reference the two ways)

Explain how Summation works to Make Decisions in the CNS

Define Drugs

Explain what Excitatory drugs (Stimulants) do and how they work
3 EXAMPLES

Explain what Inhibitory drugs (Depressants) do and how they work
3 EXAMPLES

Explain how Psychoactive Drugs Affect Synaptic Transmission

Explain how Cocaine works

Give 3 examples of the Effects of Cocaine

Explain how THC works

Give 3 Effects of THC

Define Addiction

Name 3 Causes of Addiction

Explain how dopamine secretion causes addiction

Explain how genetic predisposition causes addiction

Explain how social factors cause addiction

Label a diagram of the Human Brain
(5 labels)

Explain the functions of the 5 parts of the Human Brain

State the 3 ways used to Investigate Brain Functions

Explain how animal experiments have been used to investigate areas of the brain
(Good and bad)

Explain how Lesions have been used to investigate areas of the brain

Explain how fMRI has been used to investigate areas of the brain

Describe the components of the Nervous System

Describe the Sympathetic Nervous System

Describe the Parasympathetic Nervous System

Explain how the Sympathetic and Parasympathetic Nervous Systems affect the Heart

Explain how the Sympathetic and Parasympathetic Nervous Systems affect the Blood Flow to the Gut

Explain how the Sympathetic and Parasympathetic Nervous Systems affect the Iris of the Eye

Explain the Pupil Reflex

Explain how Brain Death is diagnosed with the help of the Pupil Reflex

Define Whole Brain Death

Explain how Pain is Perceived and the role of Endorphins

Explain the term of Eusocial Behaviour in terms of Social Organisations

Explain how Honeybees show Eusocial behaviour

(Inc. the caste system)

Explain how Naked Mole Rats show Eusocial behaviour

Explain how colonies evolve through altruistic behaviours

Define Altruistic Behaviour

Explain Altruistic Behaviour

Define Kin Selection

Give 2 examples of Altruistic Behaviour

Explain the idea of Foraging Behaviours

Give two examples of Foraging Behaviours

Explain what is meant by an Exaggerated Trait and give examples

Explain what is meant by Rhythmical Behaviours

Give 2 examples of Rhythmical Behaviours