$A$: Shivering is an adaptation for low temperature.
$R$: Shivering warms up the body.

$A$: Antarctic fishes have blubber to withstand sub-zero temperatures.
$R$: Blubber are proteins which allow the freezing of body fluids.

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

Small animals have a $......P.......$ surface area relative to their volume, so they lose body heat $.....Q.....$ when it is cold outside.

Altitude sickness,which includes nausea,fatigue,and heart palpitations,occurs due to:

Life history traits of organisms have evolved in relation to the constraints imposed by which of the following?