Fresh Water Ecosystems and Marine Ecosystems
The unit of biosphere having all the components producers, consumers and decomposers and the abiotic components together with physical factors in dynamic relationships is called as ecosystem.
The unit of biosphere having all the components producers, consumers and decomposers and the abiotic components together with physical factors in dynamic relationships is called as ecosystem.
According to their physical make up, there are basically two types of animals- Vertebrates and invertebrates. Invertebrates are those animals that don’t have a vertebral column or backbone. On the other hand, Vertebrates are those animals who have a vertebral column or the back bone.
Substances that are thrown out to some place due to their uselessness or excreted out of our body are called as waste substances.
Animals could be mainly divided into wild and domestic. However, the domestic animals that live under wild conditions are called Feral Animals. It is not very difficult to understand a domestic animal from a wild animal, by looking at them, as there are many differences exhibited between them.
Pumpkin has been included in the healthful vegetables. It has been an important part of our food since centuries. But, now it has become a vegetable of less preference.
The dry weight of organic matter produced by plants, their derivatives and wastes are called as BIOMASS. The biomass includes crop residues, plant parts, body parts of dead animals and animal wastes. As biomass is created due to photosynthesis by plants, so energy from biomass or bio wastes is regarded as another form of solar energy.
In early society, girls were restricted from play. They were restricted inside homes. But, now it is considered that Play is fundamental to children’s happiness and well-being, and the evidence shows that it is also influential in their health and processes of future life developments.
man is causing serious impacts on environment. Concrete jungles do not allow rain water to enter into the gound. As such water table is falling down.
Everyone has stated experiencing heat with the start of changes in season. Everyone has started feeling need of fans, air conditioners, coolers and refrigerators. Walking of people outside houses has become still due to partial lockdown of corona phase 2 lockdown. Under these conditions people need electricity supply for rest and recreation.
The condition produced due to ‘substances put into air by the activity of mankind into concentration sufficient to cause harmful effects to his health, vegetables, property or to interfere with the enjoyment of his property’ is called as air pollution or the atmospheric pollution
The processes of development through years have spurred on unplanned urbanization, extensive industrialization followed by different types of pollutions, construction of a series of mega dams, and large-scale application of Agro-chemicals.
More than half of the population of the world comprises farmers. These farmers know that maintaining and conserving natural resources are very important to sustain their lives. However, the demand of more and more food due to the exploding population and higher expectations for comfort and wealth enforces these farmers to exploit more and more of the natural resources through the application of modern technology. The agriculture based on the latest farm machinery, hybrid and high-yielding crop varieties and agrochemicals is called as modern agriculture. Under the changing trends of modern agriculture, the difficult situation of maintaining and conserving natural resources is being faced the world over in the agriculture sector.











