Question

give reason for the following.

1. decomposers help keep the environment clean.

2. the energy flow along a food chain and the number of individuals at each level, gradually decreases as we go higher up.

3. Siberian cranes migrate long distances.

4. forest found along the equator are called rainforest.​

Answer 1

1) Decomposer keep the environment clean by decomposing dead and decaying matter and converting them into manure that helps in the replenishment of soil.

2) Yes it is to true that energy flow along a food chain in the number of individuals at each level gradually decrease as we go higher up because at each level 10% of the energy is only passed onto the next level rest of the energy is used by the organism in maintenance of life processes.

3) Siberian cranes migrate long distance in search of warmer region where they can live they migrate from the cold places and goes to the warmer places.

4) Forest found along the equator are called rainforest because they receive high amount of rainfall.