Innate Responses

Question 1

Two types of responses?

Answer 1

learned- require processing, mimicking or teaching
Innate- automatic responses (occur from birth)

Question 2

Definition of stimulus?

Answer 2

A change to the environment

Question 3

Definition of response?

Answer 3

A change in the behaviour/physiology of an organism in response to a stimulus

Question 4

Taxes?

Answer 4

Directional e.g. moving away from light

Question 5

Kinesis?

Answer 5

Non-directional e.g. moving faster in higher humidities

Question 6

Reflex arc pathway?

Answer 6

Stimulus -> receptor -> sensory neurone -> relay neurone -> motor neurone -> effector -> response

Question 7

3 neurones involved in reflex arc?

Answer 7

Sensory
Relay
Motor

Question 8

3 advantages of reflex arcs?

Answer 8

Protects from harm/injury
Innate- do not have to be learnt
Helps organisms move away quickly- help escape from predators

Question 9

Positive taxis?

Answer 9

When organisms move towards a stimulus

Question 10

Negative taxis?

Answer 10

When an organism moves away from a stimulus

Question 11

Tropism?

Answer 11

Directional growth to a stimulus