Plants capture only....... percent of the $PAR.$
$50 $
$65$
$2-10 $
$4-20$
Term 'ecosystem' was given by
Which of the following ecosystems will be more productive in terms of primary productivity ? Justify your answer. A young forest, a natural old forest, a shallow polluted lake, alpine meadow.
Mention type of nutrient cycling explaining it.
If less light falls on the pond’s surface
In primary succession in water, the pioneer species are