Question

Write about the economic importance of earthworms?

Answer 1

Hint: Earthworm is an invertebrate which belong to the phylum Annelida. It is found in the terrestrial habitat mostly in the soil. It eats the organic matter, debris, waste and supplements the soil with the most important nutrients.

Complete answer:
Earthworms are red coloured cylindrical tube-like organisms that are found in the soil. They can be recognised by the presence of rings on their external body. They thrive in a moist environment as they require moist skin to respire. They have a definite mouth and anus. They feed on organic debris as a result of which helps in the decomposition of waste. The earthworm exhibits peristaltic movement and does not have legs and the movement is exhibited by the movement of muscles.

The earthworms are economically important to us. They have huge economic importance, especially to the farmers.
- The movement of the earthworm makes the soil airy and porous. This helps the plants to grow deep and well.
- The earthworm feed on the debris of the organic matter and breaks it. This produces a worm cast. This provides a healthy environment for other organisms.
- It helps in neutralising the pH of the soil. This results in greater yield.
- They prevent flood and soil erosion.

Note: Vermicomposting is the process by which the organic matter is converted into fertiliser which improves the quality of the soil. This process is carried out with the help of earthworms. It provides nutrients that improve the quality of the soil and helps in growth and development. This method is both environmentally and economically friendly.