The main features of fish.
| March 18, 2021 | education
It should be said that a typical feature of fish is the presence of a fin. Also, most fish have scales (but this is not a dominant feature, some do not).
Also, some fish have a protective coloration. Another feature of these creatures is gill breathing. They also always live in water, without it they simply cannot. Also, fish have a nervous system and various sense organs (for example, eyes).
It is also worth knowing that most fish have one circle of blood circulation.
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