Question

What is an example of a structural plant defense?

Tea tree oil produced by the Melaleuca tree.


Ricin produced by the castor bean plant.


Thorns produced by the Acacia tree.

Answer 1

ricin produced by the castor bean plant

Answer 2

It's Thorns produced by the Acacia tree.
since the acacia tree is protecting itself it produces thorns.

Hope this helps! :)