What is true about the phosphorus cycle?
$I.$ Rocks are the natural reservoirs of phosphorus
$II.$ Weathering of sedimentary rocks makes phosphate available to the soil
$III.$ Herbivores and carnivores obtain phosphorus from plant directly or indirectly Choose the correct option
$I \;and\; II$
$I \;and \;III$
$II \;and \;III$
$I, II \;and\; III$
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.
Transition zone between two ecosystems or vegetational regions is termed
Earth is a/an
Succulent xerophytes are likely to be found in
Mention type of nutrient cycling explaining it.