Many animals eat plants. Which characteristic of a plant is a defense against plant-eaters?
• photosynthesis
O phototropism
O seed dormancy
• thorns
• thorns
Thorns are a physical defense mechanism that some plants have evolved in order to deter plant-eating animals from feeding on them. The sharp, pointed structures can cause pain and discomfort to animals trying to graze on the plant, ultimately discouraging them from eating it.