The inhabitants of the Caspian sea. Animals of the Caspian sea is represented by 1809 species, of which 415 are vertebrates. In the Caspian sea registered 101 species of fish, it is focused the majority of the world’s reserves of sturgeon, as well as freshwater fish such as roach, carp, perch. The Caspian sea is the habitat of fish such as carp, mullet, sprats, Kutum, bream, salmon, perch, pike. In the Caspian sea is also home to a marine mammal — the Caspian seal.
The world grade 4
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“Domestication of animals” – Near the man began to live animals. Information about the place and time of domestication of animals. The reindeer herding. The dog was domesticated very early. Reducing the size of the brain. To find out what animals the ancient people tamed. Sheep. People began to domesticate bees. Goat. Ancient tour. Buffalo. Pigs. The man of the stone period. Geese. Chickens as poultry. Cow. Foci of domestication of the horse. The size and shape of the body. Continue reading
Modern freshwater aquariums can be as ordinary ponds, and a fully-planted aquariums, in which fish if they are present, play only a role of scenery.
Freshwater fish aquariums differ mainly by the type of Pets they contain.
Aquarium for predatory fish (ziggidy, catfish, piranhas and other freshwater predators)
Classic aquarium (small schooling fish)
Pseudo – (often the undemanding cichlids or other fish)
This is the aquariums, which can often be found in homes. They are so popular and easy to care for, because most freshwater species are characterized by amazing simplicity. Continue reading
Intellectual work has long required special attention to non-pecuniary costs for its implementation. To put it simply, in order to calm your nerves after a long stay at the computer or in a consultative room, you need to follow some special procedures. It can be sports exercises, breathing exercises, relaxing with friends or other similar activities. But there is one exercise that will allow you to have a good mood and not to go somewhere on the side in his quest. And all you need is an aquarium and marine fish for the aquarium, which will become its inhabitants.
Now let’s talk more about the advantages of this method of calming the nerves. The fact that water flowing in its original form is a calm breed. Already one look at its stable state is able to balance even the most aggressive person. Here lies the secret to peaceful setting areas, in which there are large aquariums. Quiet swimming of their inhabitants and carefree movement absorb all aggression, regardless of whether they come from visitors or from the host. Continue reading