Question

The fish has slippery scales over its body​

Answer 1

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Scales are hard, transparent and sharp structures which protect fish from predators. Scales also help the fish by getting damaged by corals. These are too slippery as the epidermal cells present under the scales secrete mucous which comes out and forms a covering on the scales.

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Answer 2

Answer:

because it surrounds the water

Step-by-step explanation:

polar bears has fur on their body

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animal behaviour is based on its surrounding