Plant Defence Responses Flashcards
1
Q
What physical barriers to plants use to protect themselves?
A
Cellulose cell walls
Tough waxy cuticle on the surface of leaves
Bark on trees
Leaf fall to separate infected leaves
2
Q
What chemical barriers do plants use?
A
Some plants produce antibacterial chemicals to defend against pathogens, which are studied for human usage.
3
Q
What defences against herbivores do plants use?
A
Poisons that are either lethal or just a deterrent
Thorns that make them painful to eat
Hairs that act as deterrents
Drooping or curling when touched to shake away insects
Mimicry to appear dead or otherwise
