Scorpion belongs to a class to which one of the following also belongs?

What is $Culex$ $fatigans$?

$A$: Chitinous exoskeleton is a characteristic feature of arthropods.
$R$: It allows diffusion of water vapour from atmosphere to the body.

The process of shedding the exoskeleton at regular intervals during growth and development in the phylum $Arthropoda$ is known as: ........

What type of eggs are laid by butterflies,moths,bees,and beetles?

What is a cephalothorax?