• 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.
Many animals eat plants. Which characteristic of a plant is a defense against plant-eaters?
• photosynthesis
O phototropism
O seed dormancy
• thorns
1 answer