How To Use Chemical defence In A Sentence

In woody plants, carbon-based chemical compounds such as phenolics and terpenes comprise the main chemical defence.
In woody plants, carbon-based chemical compounds such as phenolics and terpenes comprise the main chemical defence.
In woody plants, carbon-based chemical compounds such as phenolics and terpenes comprise the main chemical defence.
The cassava plant, almond tree and hydrangea have all evolved the same chemical defence mechanism.
As in human warfare, chemical defences are essentially deterrents rather than everyday weapons.

As in human warfare, chemical defences are essentially deterrents rather than everyday weapons.
Then it turned into a carnivore, sloughed its armour and acquired a new set of biological and chemical defences.