What is food of fish ?

What is food spoilage? What are the consequences of eating spoilt food?

What is food chain ? Draw a food chain.

(a) What is a food chain ? Give one example of a simple food chain. (b) What is a 'food web' ? Show its formation.

[A] : Ozone depletion at the south pole will threats world's fisheries . [R] : Ozone depletion will kill phytoplankton , the food of fishes .

What is flying fish? What is its peculiarity?