Which one of the following pairs is correctly matched?

Consider the following four conditions $(1-4)$ and select a correct pair of them as adaptations to the environment in desert lizards.
Conditions:
$1$. Burrowing in soil to escape high temperature.
$2$. Losing heat rapidly from the body during high temperature.
$3$. Bask in sun when temperature is low.
$4$. Insulating body due to thick fatty dermis.

Animals consuming only plant materials are referred to as:

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

The flora and fauna in lakes or ponds are known as:

Give scientific reasons: Mango trees do not grow in countries like Canada and Germany.