Regulators are also called
Endotherms
Exotherms
Ectotherms
Either $(b)$ or $(c)$
$I.$ 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
Just as a person moving from Delhi to Shimla to escape the heat for the duration of hot summer, thousands of migratory birds from Siberia and other extremely cold northern regions move to
Which of the following ecological factor exerts a direct effect
Why do all the fresh water organisms have contractile vacuoles whereas majority of marine organisms lack them ?