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Plant Disease - Natural and Man-made defenses
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- 1Physical defence responses to resist invasion of micro-organismsCellulose cell walls - prevents entry of micro-organisms/prevents animals eating it.
Toguh waxy cuticle on leaves - prevents entry of micro-organisms/prevents animals eating it.
Layers of dead cells around stems (bark on trees) which fall off - cells pall off taking pathogens with them. - 2Chemical plant defence responsesAntibacterial chemicals - prevents bacteria growing.
Poisons to deter herbivores - put off animals that would eat them. - 3Mechanical adaptationsThorns and hairs deter animals - put off animals from eating/touching them.
Leaves which droop or curl when touched - insects fall off or are scared off.
Mimicry to trick animals - leaves look like they already have eggs on them which prevents butterflies laying eggs on the leaf.
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- El usuario ha eliminado su información de asignaturas Fichas sobre Plant Disease - Natural and Man-made defenses, creado por Usuario eliminado el 22/01/2019.
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- Usuario eliminado · ene 2019
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- 22 ene 2019
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- Creado por Antonia Rout · 22 abr 2017
- Copiado por bill fingleton · 22 ene 2019
- Copiado por bill fingleton · 22 ene 2019
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