In an ecosystem, bacteria are considered as

Which of the following can be a top carnivore of marine ecosystem?

Identify the possible link ‘A’ in the following food chain. Plant → Insect → Frog → A’ → Eagle

Why is the pyramid of biomass inverted in sea?

Identify the wrong statement in relation to concept of pyramids.

From the following, which is not a fate of carbon in plants?

Bacterial role in carbon cycle is …………

Which out of the following is the major reservoir of carbon?

Which act of human beings has great impact on carbon cycle?

Rock phosphates are brought into circulation by the process of ………………