Morphological defense is the most common defense in plants against herbivory. An example of such a defense would be:
1. Beltian bodies
2. mustard oils
3. epiphytes
4. silica

Praying mantis is a good example of
1. mullerianmimicary.
2. warning colouration.
3. social insect
4. camouflage.

Niche overlap indicates
1. active cooperation between two species.
2. two different parasites on the same host.
3. sharing resources between two species
4. mutualism between two species.