16.3 Plant Responses To Herbivory Flashcards
1
Q
What physical defences to plants have to herbivores
A
Thorns Spikes Hairy leaves Barbs Inedible tissue
2
Q
What chemicals do plants use as defences to herbivores
A
Tannins
Alkaloids
Terpenoids
Pheromones
3
Q
What are tannins characteristics
A
Bitter taste
Toxic to insects
4
Q
What characteristics do alkaloids have
A
Very bitter tasting nitrogenous compounds
Act as drugs
5
Q
What characteristics do terpenoids have
A
Compounds that form essential oils and act as toxins to insects and fungi
6
Q
What characteristics do pheromones have
A
Chemical which affects the social behaviour of other members of the same species
They help other pants from being attacked around them
Communicators
7
Q
What plant folds in response to touch
A
Mimosa pudica - it moves speedily
