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ANIMAL RESPONSES
Animals are continually being subjected to signs or signals coming from the environment.
The signals are called STIMULI and what animal do is their RESPONSE.
HUMAN RESPONSES
STIMULUS RESPONSE
Name being called
Smelling Ammonia
Looking at image
Tapping the knee
Tasting sour milk
Touching hot or sharp object
Turned and lookedPulled the head away
Foot jerked
Spit it out
Pulled hand away
Animal Stimulus Response
Hi I’m Fred
Hi I’m Sally
Wet cotton wool
Dry cotton wool
Hi I’m Joe
Cotton wool soaked in vinegar
Dry cotton wool
Fred
Sally
Joe
Light
Moisture
Vinegar
Move towards the light
Move towards the moistureMove away from the vinegar
Why are responses important?
Dish containing Euglena evenly distributed
Dish with euglena even spread out
Leave for 5 mins
Half the dish covered with black paper
Animal StimulusResponse
Importance to animal
Euglena
Flatworm
Woodlice
Euglena
A single-celled plant
Dish containing Flatworms evenly distributed
Piece of liver added
Leave for 5 mins
Various Flat worms
wet dry
Choice chamber with wet and dry conditions
20 woodlice evenly distributed
Leave for 5 mins
Various woodlice
The environmental factors which affect animal behaviour are
Light
Moisture
pH
The organisms response to these factors are significant because they increase the organisms
chances of survival.