The water repellant properties of waxes is very useful in the leaves of some plants, in the feathers of birds and also in cuticle of insects. Waxes in plant leaves reduce the amount of water that is lost by the leaves. The wax that is present in the birds' feather prevent them from getting wet with water.
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Answer:
Newly exposed or newly formed rock is colonized by living things for the first time.
Explanation:
In other world rock is being inhabited. A community is beginning to form.