Question

Sphenodon is a lizard like reptilian (living fossil) found in New Zealand it is placed in an order called as-
A. Rhynchocephalia
B. Rhizocephalan
C. Lacertilian
D. Saurischian

Answer 1

Hint: Reptiles show reptilian characters in having a large coracoid in pectoral girdle. Sphenodon is a lizard-like reptilian (living fossil) found in New Zealand. It is an order of lizard-like reptiles. The elongated snout, and lower jaw are covered in soft skin. The nostrils are located on the dorsal surface. Their closest relatives are lizards and snakes.

Complete answer:
Option A Rhynchocephalia- they belong to kingdom animalia of-course. Phylum Chordata. Class is Reptilia. They have evolved since the ages of Jurassic and Triassic, the era of dinosaurs. The era where reptiles are abundant in form. From dinosaurs the reptiles have been modified and mutation occurs.
Option A is correct.
Option B Rhizocephalan- Rhizocephalan are derived from barnacles of parasites. They are mostly parasites. Belonging to crustaceans. Their life cycle had appendages, internal organs but they lacked gonads. They are usually arthropods.
So, option B is not correct.
Option C Lacertilian- it is a reptile basically a lizard. Scientific name of lizards. Mostly found on Antarctica as well as oceanic island chains.
Option C is not correct.
Option D Saurischian- Saurischian is one of the two divisions of dinosaurs. It is a lizard-hipped dinosaur that means it has an appearance of a lizard lower body hence called a lizard-hipped dinosaur.
Option D is not correct.

Hence, Option A is the correct answer.

Note:
Reptiles have been seen growling. They have been heard to emit growls when disturbed and a range of other vocalizations have been reported in captive specimens. They are very silent creatures in general but their attack is powerful and it helps them to catch prey easily. Most reptiles have a carnivorous diet. They feed on small insects.