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stimuli and responses
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Total cards: 6•Content version: v3•Public deck•Updated: 8/1/2026
Card preview (6)
#1
Front (Question)
why do animals respond to changes in their external environment
Back (Answer)
to increase their chance of survival by avoiding harmful environments e.g places that are too hot/cold
#2
Front (Question)
why do animals respond to changes in their internal environment
Back (Answer)
to make sure that internal conditions are always optimal for their metabolism
#3
Front (Question)
what is a stimulus
Back (Answer)
any change to the internal or external environment
#4
Front (Question)
what are receptors
Back (Answer)
cells or proteins on the cell surface membrane which detect a stimulus
#5
Front (Question)
what are effectors
Back (Answer)
cells that bring about a response to a stimulus to produce an effect e.g muscle cells and cells found in glands
#6
Front (Question)
what are the three main types of neurone
Back (Answer)
sensory, relay, motor