Plant Disease (AQA GCSE Biology): Flashcards
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12 cards from this deck
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Practise the cards
12 cards from this deck
3 types of plant defence responses
3 types of plant defence responses
Physical, chemical, and mechanical
Waxy cuticle function
Waxy cuticle function
Barrier preventing pathogens entering the plant
Cellulose cell walls defence role
Cellulose cell walls defence role
Physical barrier protecting cells from pathogen invasion
How bark protects plants
How bark protects plants
Shield against pathogens; falls off taking pathogens with it
Examples of plants producing poisons
Examples of plants producing poisons
Foxgloves, tobacco plants, deadly nightshade, yew
Purpose of plant poisons
Purpose of plant poisons
Deter herbivores from eating them
Plants producing antibacterial compounds
Plants producing antibacterial compounds
Mint and witch hazel
Thorns and hairs function
Thorns and hairs function
Make it difficult and painful for animals to eat the plant
Drooping/curling leaves defence mechanism
Drooping/curling leaves defence mechanism
Dislodge insects or move plant away from harm
Mimicry: unhealthy appearance benefit
Mimicry: unhealthy appearance benefit
Discourages animals from eating them
Mimicry: butterfly egg patterns benefit
Mimicry: butterfly egg patterns benefit
Deters butterflies from laying eggs to avoid competition
Ice plant family mimicry adaptation
Ice plant family mimicry adaptation
Resemble stones/pebbles to avoid being eaten by herbivores