Our Environment...

In a given food chain, suppose the amount of energy available at the third trophic level is 50 KJ. What will be the energy available at the producer level?

In the following groups of materials, which group contains only non-biodegradable materials?

An example of man-made ecosystem is:

A food chain consists of:

The process of eating and being eaten is called:

The relationship between biotic and biotic environment is called:

Advantage of cloth bags over plastic bags is:

Steps of a food chain are called:

The percentage of solar radiation absorbed by all the green plants for the process of photosynthesis is about:

Which of the following limits the number of trophic levels in a food chain?