Vegetable eating person acts as
primary producer
primary consumer
secondary consumer
tertiary consumer
The average trophic efficiency of transfer of energy from one trophic level to the higher trophic level is called
Identify the likely organisms $(1), (2), (3)$ and $(4)$ in the food web shown below.
Standing state of the ecosystem is
Mr. $X $ is eating curd/yoghurt. For this food intake in a food chain he should be considered as occupying
First link in any food chain is a green plant because