Of the total incident solar radiation the proportion of $PAR$ is
about $70\%$
about $60\%$
less than $50\%$
more than $80\%$
The lentic ecosystem includes
The most striking difference between tropical rain forest and temperate forest is that
Which of the following communities is more vulnerable to invasion by outsides animals and plants
Among the plants listed, point out one that does not fit into ecological group represented by other plants
Given below is a figure of an ecosystem. Answer the following questions.
$(i)$ What type of ecosystem is shown in the figure.
$(ii)$ Name any plant that is characteristic of such ecosystem.