Ecosystem Test ...

In a terrestrial food chain which of the following organisms comprise the greatest mass of living substance (biomass)?

Which ecosystem has the highest gross primary productivity? 

______ is the final stage of succession, remaining relatively unchanged until destroyed by an event such as fire human interference.

During photosynthesis, the gross primary productivity is the rate of production of 

Intermediate community between pioneer and climax communities is called as

The vegetation of an area changes over time, resulting in a climax community is known as 

A rocky community near a pond has no vegetation or animal life. After a period of approximately 50 years, the community boasts a wide variety of flora and fauna, including trees, animals and insects. Mostly, lichens are the first organisms to colonize rocky areas. These are known as the

Which of the plain community have greatest biomass?

The energy flow for the given energy pyramid can be best described by the statement

Which of the following accounts for greatest mass in a pond community?