Plants rely on many different structures and chemicals to defend themselves from herbivores. Some, such as poison ivy, make chemicals on their surface that cause a severe skin reaction. Others produce toxic sap or other fluids that poison any animals that take a bite.
Which of the following examples uses structural defenses for protection?
Question 10 options:
African acacia tree releasing a ethylene gas
vine of poison oak
thorny rose bush
patch of green grass
1 answer
thorny rose bush