Which of the following is the major source of phosphorus
Plants
Animals
Crystalline rocks
Deserts
Pioneer community established on a bare rock is
Assertion: Insectivorous habitat of plants is to cope up $O_2$ deficiency.
Reason: Insectivorous plants are partly autotrophic and partly heterotrophic.
An ecosystem, which can be easily damaged but can recover after some time if damaging effect stops, will be having
Major ecological community of plants and animals extending over large natural areas is known as
Select the incorrect match.
$I.$ Sedimentary nutrient cycle-Nitrogen cycle
$II.$ Pioneer species-Lichens
$III.$ Secondary succession-Burned forests
$I V$. Pyramid of biomass in sea-Upright