Acacia trees are adapted to survive in hot, dry savannah ecosystems. They have extremely deep taproots, small leaves with a thick waxy cuticle, and sharp thorns on their branches.
Explain how having small leaves with a thick waxy cuticle helps the acacia tree reduce water loss.
Suggest how having extremely deep taproots would help an acacia tree survive in dry savannah environments.
Other than reducing water loss, suggest one advantage to acacia trees of having sharp thorns.
31 exam-style questions on Edexcel IGCSE Biology The organism in the environment. Each one has a worked solution and a mark scheme showing where the marks go.