An association of individuals of different species living in the same habitat and having functional interactions is

The genus $Quercus$ is a dominant component in which of the following?

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: $................$.

Kangaroo rat is found in .........

Which of the following pairs of plants,their habitat,and forest type is correctly matched,where they are typically found to occur?

Organisms occupying similar ecological niche but different geographical areas of distribution are called as