The recycling of materials is also known as the cycles of matter. It is also referred as a biogeochemical cycle. There are nearly 100 elements which are present on our planet. A less than 20 elements play a vital role in the formation of living ...

The matter and energy play a vital role in the foundation of life. They play a crucial role in the formation of structure and function. The biosphere gets its energy from the sun. The green plants are also known as the autotrophs. They capture the ...

The matter is defined as something which has weight and occupies some space. They may be plant, animals, stone, brick, pond, river etc. The objects with matter are referred as materials. The matter exists almost everywhere in this world. They are composed of atoms and ...

The closed system is defined as the system which does not have any inputs and does not send any signals outside. The open system is defined as the system which does have inputs and does send signals outside. The earth is included under it in ...

The biosphere is defined as the part of earth which is habituated. The atmosphere consists of both the biotic and abiotic components. The biosphere is also known as living mantle. This idea came into function 100 year ago. It was rejected than and its ...

The ecosystem does not occur alone. They are always in contact with the adjacent ecosystems. Their boundaries are not well defined and they may overlap. There are certain areas where their boundaries are well defined it includes the pond and land ecosystems. They have some ...

These are the artificial ecosystems which rely on the human efforts to sustain. They do not possess a self regulating mechanism. They have almost no diversity and have simple food webs. The cycling of nutrients is negligible. The inputs are provided by the human efforts. ...

The ocean biome is divided into different types of ecosystems. They can be open sea, coastal and estuary. These ecosystems are also known as the smaller biomes. The open sea refers to the area of sea which is beyond the continental shelf. The open sea ...