Tenrecs, echidnas and hedgehogs are examples of unrelated organisms that have all evolved spines. explain the advantage of this adaptation to these animals and why might it have evolved?

The advantages of spines in these unrelated organisms are as follows:

- for escape and defence

- for regulations of body temperature

- for conservation of water

Explanation:

The evolution of spines in Tenrecs, echidnas and hedgehogs represent STRUCTURAL ADAPTATION i.e when a part of the body of a living organism undergoes changes to become structurally adapted to its mode of life.

- The evolved spines in hedgehogs are for physical defence

- in tenrecs, they are for physical defense

a axis of a graph is a color or shade so we can all go outside and have a party so we can eat   some grilled cheese sammiches and broccoli and have some ugly fun times

i don't know why i put this, i know its not the i was just bored : p

delete this answer while you can

hello there the answer is d