Lianas occur more commonly in

In ecology,what is referred to as a 'niche'?

Give one example for each of the following:
$(i)$ Eurythermal plant species: $................$.
$(ii)$ $A$ hot water spring organism: $................$.
$(iii)$ An organism seen in deep ocean trenches: $................$.
$(iv)$ An organism seen in a compost pit: $................$.
$(v)$ $A$ parasitic angiosperm: $................$.
$(vi)$ $A$ stenothermal plant species: $................$.
$(vii)$ Soil organism: $................$.
$(viii)$ $A$ benthic animal: $................$.
$(ix)$ Antifreeze compound seen in Antarctic fish: $................$.
$(x)$ An organism which can conform: $................$.

Alpine tundra is found in

Large woody vines are more commonly found in:

The organism which tolerates a wide range of salinity is called ...$A$...
$II.$ The organism which tolerates a narrow range of salinity is called ...$B$...
Choose the correct option for $A$ and $B$.