Which of the following are exclusively terrestrial?

A) insects
B) crustaceans
C) arachnids
D) merostomes
E) chilopods and diplopods

Exclusively Terrestrial

Referring to organisms or features that exist solely on land, without any aquatic or aerial adaptation.

Chilopods

A class of arthropods commonly known as centipedes, characterized by elongated bodies and a pair of legs per body segment.

Arachnids

Eight-legged arthropods, such as spiders, scorpions, ticks, and mites.