Ecosystem Test ...

Ecological factors, which prevent a species from producing at its maximum rate are termed as

Crystalline rocks are natural source of which of the biogenetic element?

Study of biogeochemical cycles is called biogeochemistry, it involves

In which of the following cycles, does the reservoir of the nutrient exist in material from?

The early settlers on a barren area (rock) are

Some of the nutrient cycles are labeled as below.
Sulphur cycle (A), phosphorus cycle (B), carbon cycle (C), and nitrogen cycle (D). 

Inverted pyramid of biomass can be traced in which one of the following ecosystem?

Which of the following is considered as pioneer community in xerarch?

In the phosphorus cycle, phosphate becomes available by weathering of rocks first to:

The total solar energy converted to biomass on earth amounts to