1. This chemical defence does not exist in any native Australian anuran. 2. Termites from the Rhinotermitidae family are avoided due to their chemical defences . 3. Polluted air ( Chemical Defence Establishment in the early 1970s. 4. The chemical defence company became the 129th Separate Chemical Defence Battalion in 1972. 5. The chemical defence company became the 129th Separate Chemical Defence Battalion in 1972. 6. The chemical defence company became the 128th Separate Chemical Defence Battalion in 1972. 7. The chemical defence company became the 128th Separate Chemical Defence Battalion in 1972. 8. Sawflies are herbivores, feeding on plants that have a high concentration of chemical defences . 9. In 1972, the separate Chemical Defence Company became the 616th Separate Chemical Defence Battalion. 10. In 1972, the separate Chemical Defence Company became the 616th Separate Chemical Defence Battalion.