What is true about Nereis, Scorpion, Cockroach and Silverfish? A. All possess’ dorsal heart.B. None is aquatic.C. They belong to the same phylum.D. They have joined paired appendages.

Let's analyze each option:

A. All possess a dorsal heart:

Nereis (a type of marine worm), scorpion, and cockroach have a dorsal heart, but silverfish has a different circulatory system with a heart located more centrally.
False because not all possess a dorsal heart.
B. None is aquatic:

Nereis is aquatic (marine worm), while scorpion, cockroach, and silverfish are terrestrial.
False because Nereis is aquatic.
C. They belong to the same phylum:

Nereis belongs to Annelida (phylum), scorpion belongs to Arthropoda (phylum), cockroach belongs to Arthropoda (phylum), and silverfish also belongs to Arthropoda (phylum).
False because they do not belong to the same phylum.
D. They have jointed paired appendages:

Scorpion, cockroach, and silverfish belong to Arthropoda, which is characterized by jointed paired appendages.
True because they all have jointed paired appendages.
Therefore, the correct answer is D. They have jointed paired appendages.