Science Questions

Which of the following is a renewable resource?

According to the 10% law, how much energy is transferred to the next trophic level?

Which bacteria are responsible for fixing atmospheric nitrogen in leguminous plants?

The relationship where one organism benefits and the other is neither helped nor harmed is:

Which ecological pyramid can never be inverted in a natural ecosystem?

What is the term for the process of converting ammonia into nitrates?

A food chain consisting of dead organic matter is called:

In a pond ecosystem, what kind of pyramid of biomass is typically found?

What is the role of Nitrosomonas in the nitrogen cycle?

Which phenomenon causes an increase in the concentration of toxic substances at higher trophic levels?

The gradual process by which ecosystems change and develop over time is called:

Species that are found only in one specific geographic area are called:

What is the relationship between algae and fungi in lichens?

The amount of organic matter present in an organism at a given time is called:

Which of the following gases is NOT a greenhouse gas?

What is 'Biological Oxygen Demand' (BOD) an indicator of?

A species that has a disproportionately large effect on its environment relative to its abundance is:

Which organization publishes the 'Red Data Book'?

In which ecosystem would you find a 'Phytoplankton' as the primary producer?

What type of succession occurs on bare rock after a volcanic eruption?