In the majority the people assume that from all animals on Earth, the most numerous are insects, for example, ants. However this answer not absolutely correct, the most widespread animal on the planet – the miniatyuny inhabitant of oceans – the Antarctic krill.
The most numerous marine animal
The krill is a cancroid animal, no more than 5 centimeters in size. On external signs the krill is similar to a shrimp.In spite of the fact that the Antarctic krill lives only in the Southern ocean, quantity of individuals incredibly huge, the biggest in the world. Production of a krill goes to industrial scales, his meat is considered a valuable eco-friendly product. Besides, this marine animal is the main link of food in many food chains.The number of a krill in the ocean is so huge that when the pack floats, color of water changes. 30 thousand of Antarctic krill are the share of one cubic meter of an ocean smooth surface. Lump of individuals of this type leaves 500 million tons. This marine animal – the absolute champion among all terrestrial beings.
The most numerous land classThe most numerous class of land animals – insects. Scientists counted nearly 1.5 million representatives. According to some information, the total number of types makes about 20 million. On numerical indicators it is less, than quantity of the Antarctic krill, but if to take among land animals, then a palm from insects. Superiority of insects on number over other classes of animals by the fact that they can easily adapt to various habitats is explained, they have several ways of reproduction (oboyepoly, parthenogenetic (for example, for a plant louse), sexless) and also high fertility.
The most numerous birds
At calculation of numerous breeds of birds, the leading place is taken by domestic hens. This animal most of all on Earth. There is nothing to be surprised here, chicken part practically in all countries. There are huge chicken farms, poultry farms. The exact quantity is not counted, but scientists assume that figures can fluctuate around 3.5 billion individuals. It approximately so: one chicken is the share of two people. And here on number the little-known birdie – the krasnoklyuvy weaver, about 13 centimeters in size ranks second. If it came to quantity of animals, then it is interesting to learn what pets most of all? Pets, if live not in each house, then almost in everyone. Statistics shows that the most numerous pets are cats. Probably, it is connected with the sizes and simplicity of care for it. Prevalence of breeds at the same time following: the first place is shared among themselves by the Persian and Siamese cats, on approaches breed a Maine Coon.