The salinity of the oceans is
Increasing
Decreasing
Constant
Decreasing now but was increasing in past
It’s obvious.
Last stabilised community in a plant succession is known as
Which one of the following types of organisms occupy more than one trophic level in a pond ecosystem?
Simplified model of phosphorus cycling in a terrestrial ecosystem is given below. Identify $A, B, C$ and $D$
If there were $50$ species of reptile present in one ecosystem that is called
How much portion of the Photosynthetically Active Radiation $(PAR)$ is captured by the plants?
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