Question
State the functions of decomposers in an ecosystem.

Answer

The role of a decomposer is to break down dead organisms and then feed on them. The nutrients created by the dead organisms are returned to the soil to be later used by the producers. Once these deceased organisms are returned to the soil, they are used as food by bacteria and fungi by transforming the complex organic materials into simpler nutrients. The simpler products can then be used by producers to restart the cycle. These decomposers play an important role in every ecosystem.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Figure represents graphically the velocity of a car moving along a straight road over a period of 100 hours.

How long is the body travelling with a uniform velocity?
Two plane mirrors are arranged parallel and facing each other at some separation. How many images are formed for a point object kept in between them? Show the formation of images with the help of a ray diagram
How long will sound take to travel in (a) and iron rail and (b) air, both 3.3 km in length? Take speed of sound in air to be 330 m/s and in iron to be 5280 m/s.
A man sits in a machine which generates acceleration five times more than acceleration due to gravity. If the mass of man is 80 kg , what is his weight? Take $g =10 ms^{-2}$.
 A body of mass 3.5 kg displaces $1000 cm^3$ of water when fully immersed inside it. Calculate: (i) the volume of body, (ii) the upthrust on body and (iii) the apparent weight of body in water.
An object 10 cm high is placed at a distance of 20 cm in front of a spherical mirror of focal length 25 cm. By scale drawing find the nature, position, and magnification of the image in the following case:
Convex mirror
The distance between one crest and one trough of a sea wave is 4.5 m . If the waves are produced at the rate of $240 / min$, calculate
1. time period
2. wave velocity.
A stone of density $3000 kgm ^3$ is lying submerged in water of density $1000 kgm ^3$. If the mass of stone in air is 150 kg , calculate the force required to lift the stone. [ $g =10 ms^2$ ]
1. Why does a driver use a convex mirror as a rear view mirror?
2. Illustrate your answer with the help of ray diagram.
A small iron bar is kept near the north pole of a bar magnet. How does the iron bar acquire magnetism? Draw a diagram to show the polarity on the iron bar. What will happen if the magnet is removed?