Question

why do acacia trees have thorns and tiny leaves on their branches​

Answer 1

Answer:

Hey mate here is your answer

As for the leaves, they transpire very little water, allowing the Acacia to live in arid climates where other, broader leafed, trees would dry out. As for the thorns, they're for protection against animals looking to eat the leaves.

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Answer 2

Answer:

Acacia trees are usually found in desert areas where water is scarce. It reqires water for various life functions.

Explanation:

in order to prevent loss of water through the process of transpiration, acacia has thorny and tiny leaves