Which one is the main source of minerals essential for man and other organisms
Lithosphere
Ionosphere
Mesosphere
Stratosphere
Plants near seashore is an example of
If $20\ J$ of energy is trapped at producer level,then how much energy will be available topeacock as food in the following chain?
Plant $→$ Mice $→$ Snake $→$ Peacock
Photic or euphotic zone is how much deep from the upper surface of sea
Which of the following is the logical sequence of primary succession in rocks?
Which of the following ecosystem types has the highest annual net primary productivity?