What adaptations in living organisms are characteristic of the aquatic habitat?

1. Orientation using echolocation.
2. Generation and use of electrical impulses for orientation in the aquatic environment.
3. Chemoreceptors for the perception of water pollution.
4. Streamlined body shape, fins, flippers, tail.
5. Subcutaneous fat layer. (Not all representatives.)
6. There are representatives who breathe with gills and these are fish. (There are representatives who breathe with the entire surface of the body and with the lungs.)



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