Tropical dense forests are due to

Plants capture only....... percent of the $PAR.$

The plants in which vascular tissues are absent and well developed aerenchyma is present, are

Nitrates are transformed into nitrogen by

Deciduous forests have

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.