How can we draw a food chain?

What is food chain ? Draw a food chain.

What is food chain. Draw a food chain.

How many types of food chain are there?

Depict diagrammatically a food web in any ecosystem. How many types of food chains are there in that food web?

What is food chain? Describe a food chain in a grassland ecosystem?

How can we increase food production?

The detritus food chain and grazing food chain differ. How?

How many rays can we draw from a given point

How many trophic levels are there in a food chain ?