Diploblastic animals occur in:

Which feature is common among leech,cockroach,and scorpion?

Which of the following sets of animals is correctly matched with its respective phylum/class?

Select the incorrect match$-$

Select the incorrect statements from the following:
$A$. Digestive system in Platyhelminthes is incomplete.
$B$. Bilateral symmetry is a characteristic feature of adult Echinoderms.
$C$. Pseudocoelom is possessed by Aschelminthes.
$D$. Notochord is persistent throughout life in the class Chondrichthyes.
$E$. Members of class Reptilia maintain a constant body temperature.

Which of the following differences between Chondrichthyes (cartilaginous fishes) and Osteichthyes (bony fishes) is incorrect?