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6 Cards in this Set

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  • Back
Predators hunt prey and prey population drops

Predators hunt prey and prey population drops

1)Prey numbers drops


2)Less food for predators


3)Predators die off or can't have offspring


4) Less predators


5) Prey populations regenerate


6) Predator numbers regenerate

Petrol prices increase

Petrol prices increase

1) Consumers look at their budget


2) Take less car trips


3) Use less petrol


4) Demand for petrol decreases


5) Prices drop for petrol


6) People start driving more again

Water level falls in a toilet cistern after being flushed

Water level falls in a toilet cistern after being flushed

1)Water level drops and the float also goes down with it


2)This pulls up the level on the tap so that water fills the cistern


3)The float rises with the water level and shuts off the tap


4) Water is available for the next flush

Teacher gives you criticism after your last internal

Teacher gives you criticism after your last internal

1) You didn't like being told off so you work a bit harder on your next assignment


2) You get a better grade


3) Your teacher says nice things about all your hard work this term


4) Maybe you relax a bit and slack off

Blood pressure in the body drops

Blood pressure in the body drops

1) Receptors in the blood vessels detect low blood pressure


2) They relay this message to the brain


3) The brain communicates with the heart to pump harder/faster


4) Blood pressure rises to a normal level



The temperature in the room drops below the point set on the thermostat

The temperature in the room drops below the point set on the thermostat

1) Thermostat detects change and turns the heat pump on


2) Room temperature increases


3) Temperature reaches 21 degrees


4) Thermostat detects temp and switches the heat pump off