Ecology

What term describes the role and position of an organism in its environment?

Which of the following is an example of a biotic factor in an ecosystem?

In an energy pyramid, which trophic level typically has the greatest biomass?

Which Indian ecosystem is characterized by tropical deciduous forests and supports species like the Bengal tiger?

The process by which nitrogen is converted from atmospheric N₂ into ammonia by bacteria is called:

Which of the following is NOT a density-dependent factor affecting population size?

In the Indian context, the Chipko movement was primarily aimed at:

Calculate the net primary productivity (NPP) if the gross primary productivity (GPP) is 2000 kcal/m²/year and the autotrophic respiration (R) is 800 kcal/m²/year.

Which of the following best describes a keystone species?

In an Indian freshwater ecosystem, which factor most strongly influences the dissolved oxygen levels?