Ecology Definition

Ecology is a science that studies the laws of nature, the interaction of living organisms with the environment, the foundations of which were laid by Ernst Haeckel in 1866. However, people were interested in the secrets of nature since ancient times, had a careful relationship to it. There are hundreds of concepts of the term "ecology"; at different times, scientists gave their definitions of ecology.

Mollinesia fish. Description, features, types, care, compatibility and price of molliesia

Molliesia or Pecilia is a genus of viviparous fish (lat. Poecilia), which are part of an extensive family of Pecilia. The name "molliesia" has been preserved as an echo of the former generic name Mollienesia. In English literature, the name of mollies is reduced to "molly". Without exaggeration, it can be said that mullinsias in popularity are in first place among novice aquarists, given the fact that the well-known guppies are also mollies.

Swordsman aquarium fish. Description, features, types, care and price of a swordsman

Swordsmen are a species of fish that can live in fresh and brackish water. In the biological classifier, they are assigned to the order of carp-like, are included in the family of pecilli fish. In their natural state they live in Central America, in warm rivers and ponds of various origins.The habitat of the swordsmen is wide, but most of all these fish are known as residents of home aquariums.

Kivsyak millipede. Description, features, species, lifestyle and habitat of Kivsyak

Kivsyaki are terrestrial invertebrates living in many places in the world. There are also individual subspecies that have differences in the volume and shades of the body. Their length often reaches thirty centimeters, but in nature there are smaller individuals. Most often they (for example, Crimean nodules) are observed in the forest, in a place where there are a lot of mushrooms, berries, branches, flowers, fallen leaves and the like.

Danio rerio fish. Description, features, types, contents and care

Description and features This fish was first discovered in the waters of southern Asia on the Hindustan Peninsula in the first half of the 19th century, and was described by the English researcher Hamilton. In the wild, it is found in rivers and streams with a slow, fast, and more often with a moderate course, as well as in flooded rice fields.

Hungarian mangalitsa pig. Description, features, breeding and care of the Hungarian mangalitsa

Description and characteristics of the breed Pigs, man began to domesticate, according to scientists, more than ten millennia ago. This happened in the Middle East, according to other sources - in ancient China. And people did it mainly for the sake of high-calorie nutritious fat and juicy tasty meat. These nourishing foods provided the human body with not only a mineral, vitamins, energy necessary for life, but also high immunity against diseases, serving as a medicine.

Mini piggy pig. Features, care and price of mini-pigs

Mini pigs bred on the basis of the Vietnamese breed of pigs. Breeders drew attention to her in the 19th century. Vietnamese pigs did not differ in grease, but they were playful, had a gentle disposition and stood out by their small size. Individual individuals did not gain more than 12 kilograms. It was these pigs that were selected for breeding a new breed.

Euglnen is green. Euglena green lifestyle and habitat

In the class of flagella, living creatures are united, which move with the help of one or more flagella. There are many representatives of this class in nature. This category includes numerous inhabitants of marine and freshwater spaces, as well as those organisms that we used to call parasites.

Nereis is a worm. The lifestyle and habitat of the Nereis worm

Nereis is another miracle that Mother Nature gave us. According to one legend, this creature was named after the Greek sea god Nereus, who in his entire life gave birth to fifty nymph daughters of extraordinary beauty. Apparently, the appearance of the worm somehow resembles these mythical characters. But if you increase it many times, then you can immediately recognize in the nereis of the Chinese dragon.

Earthworm. Lifestyle and habitat of the earthworm

Since ancient times, mankind has paid special attention to such unsightly creatures as the earthworm. And scientists, in the person of Charles Darwin, decades later, for many years studied their structure and significance in agriculture. And not without reason. After all, with the onset of spring heat, earthworms begin painstaking work and work without knowing it, for the benefit of people.