Respuesta :
Many plants use spines so they appear dangerous. This acts as a defense mechanism to prevent their consumption by predators.
Plants have developed a variety of defense mechanisms to protect themselves from herbivores, which help them survive and reproduce. Mechanical defenses on the plant's surface, synthesis of complex polymers that impair the digestibility of the plant to animals, and development of poisons that kill or repel herbivores are all examples of these types of defenses. It is possible for a plant to have defenses that are inherent to the plant and that are activated when it is damaged or under stress.
Physical defenses serve as the initial line of defense for many plants. These defenses make plant consumption challenging for herbivores. Physical protection includes thorns on roses and spines on trees such as hawthorn. These physical barriers harm herbivores and prevent them from consuming the stems and leaves of plants.
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