Definitions / Explanation :
$(i)$ Sere
$(ii)$ Standing state
The entire sequence of communities that successively change in a given area are called sere.
The amount of nutrients, such as carbon, nitrogen, phosphorus, calcium etc., present in the soil at any given time is referred to as the standing state.
Which one of the following is a characteristic feature of cropland ecosystem?
Which of the following factor is contributing to an overload of the carbon cycle?
About $70\%$ of total global carbon is found in
Which one of the following contains very low concentrations of dissolved inorganic nutrients for algal growth
What is wrong about xerophytes