Defence is of 2 types Morphological and chemical Defences.
Morphological defence –
- Thoms, spines, prickles, bristles
- Stinging hair, sticky hair, hairy coating
- Harbowing ants
- Resemblance to dreaded animals.
Chemical Defences
- Latex
- Alkaloids
- Tannins
- Silica
- Bitter taste, Offensive smell
- Irritating substance
- Poisonous cardiac glycosides.