Sun basket' is
The device to utilize sun rays directly to meet the requirement of heat energy
The sufficient amount of sunlight stored in a cell
A device of taking sunbath
All of the above
Among bryophytes, lichens and fern which one is a pioneer species in a xeric succession ?
The maximum biological magnification of $ DDT$ through food web is seen in
$A$ : Neither the community modifies environment nor the environment forces the community to leave the place in climax stage of succession.
$R$ : Climax community is xerophytic in most of the types of succession.
Study of Biogeochemical cycles is called Biogeochemistry. Its father is Vernadsky $(=Winodgsky)$. It involves
The correct sequence of plants in a hydrosere is