$I.$ Biochemical adaptation are seen in organisms living in great depth of the ocean to face crushing pressure

$II.$ Allen's rule is explain mammals living in colder climates

$III.$ Altitude sickness is caused because of body not getting enough oxygen due to low atmospheric pressure at high altitude

$IV.$ Desert lizards lack behavioural means to manage to their body temperature

Choose the correct option for above adaptations

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

Choose incorrect sentence

Give an example for:

$(a)$ An endothermic animal

$(b)$ An ectothermic animal

$(c)$ An organism of benthic zone