Stimulus and Response (Leaving Cert Biology): Flashcards
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Practise the cards
12 cards from this deck
Define stimulus
Define stimulus
Anything that causes a reaction in an organism or its parts
Plural of stimulus
Plural of stimulus
Stimuli
3 types of factors stimuli can be
3 types of factors stimuli can be
Physical, chemical, or biological factors
4 examples of animal stimuli
4 examples of animal stimuli
Loud noise, pleasant sight, nice perfume, pain/hunger
4 examples of plant stimuli
4 examples of plant stimuli
Light, gravity, water, chemicals in soil
4 ways animals respond to stimuli
4 ways animals respond to stimuli
Movement, enzyme/hormone production, feeding, physiol. changes
4 ways plants respond to stimuli
4 ways plants respond to stimuli
Growth, flowering, fruit formation, enzyme production
Which respond faster: animals or plants?
Which respond faster: animals or plants?
Animals (via nervous system)
Which organisms have a nervous system?
Which organisms have a nervous system?
Only animals
Which have a chemical/hormonal system?
Which have a chemical/hormonal system?
Both plants and animals
4 plant structural adaptations for survival
4 plant structural adaptations for survival
Needle leaves, fewer stomata, thick cuticles, thorns/spikes
2 types of plant chemical adaptations
2 types of plant chemical adaptations
Plant hormones/growth regulators & toxic chemicals in leaves