Plants secrete toxins and have thorns to protect themselves from herbivores.
Further Explanation:
When a plant is attacked by the pathogen, sometimes a hypersensitive response (HR) is initiated. HR response leads to rapid cell death of the infected tissue. This process uses the wounded tissue as a barrier that prevents pests from attacking the rest of the plant tissue. When a leaf is chewed by the herbivore, proteinase inhibitors are produced not only at the wounded site but throughout the plant. They bind to the digestive enzymes in the gut of herbivores.
Plants also secrete secondary metabolite. They are organic compounds that are not directly involved in the growth, reproduction or development of plants.These compounds are generally involved in the defense mechanism of the plants. Also, plant undergo in many adaptation to protect themselves from herbivores and other pathogens. Thorns are the structural adaptation of plants that insert into the herbivores and protect themselves from plants.
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Answer Details:
Grade: High school
Subject: Biology
Chapter: Plant Defense Mechanism
Keywords:
Plant, herbivores, algae, rapid cell death, proteinase, hypersensitive, response, pathogen, insert, protect, response, attacked.