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Chapter 29: Q. 13 (page 827)

Squamata includes_______.

a. crocodiles and alligators

b. turtles

c. tuataras

d. lizards and snakes

Short Answer

Expert verified

The correct answer is (d). lizards and snakes

Step by step solution

01

Introduction

The Squamata (scaly) first arose in the late Permian and are the most closely related to tuataras. Both Squamata and Tuataras have evolved from a lepidosaurian ancestor. Squamata is the largest order of reptiles.

02

Explanation for the correct answer

Squamata the largest order of reptiles includes lizards and snakes. Hence, option (d) is the correct answer.

03

Explanation for the incorrect options

a. crocodiles and alligators

Crocodiles and alligators belong to the order Crocodilia. Hence, option (a) is the incorrect answer.

b. turtles

Turtles belong to the order Testudines. Hence, option (b) is the incorrect answer.

c. tuataras

Tuataras also called Sphenodontia is a separate order of reptiles, includes only two living species. Hence, option (c) is the incorrect answer.

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