Students of University of Sargodha Sub-campus Bhakkar.

3. Group Members
• Shamroz Khan
• Dastagir Sial
• Shoaib Awan
• Maher Faisal
• Sohaib Akram

5. Contents
Reptiles(introduction)
History
Characteristics of reptiles
Order testudines
Order rhynchocephalia
Order squamata
Order crocodilia
Adaptation

6. Reptiles
• The animals that have scales on their
body and ability to creep are known as
reptiles.
• Reptiles are the first vertebrates that have
Amniotic egg.
• Reptiles are Tetra-pod animals.
• Their egg have following parts
1. Shell 2. Albumin 3. Yolk

8. Scaly Body

9. History
1. Anapsida
=> ‘An’ means without so, these animals are
without opeing or feneastrae in the temporal portion
of skull.
=> Turtles represents this linage now a days.
=> Their skull and shell fossiles are 200 million
years old.
=> The 245 million year old rocks are found in
South Africa.

10. 2. Synapsid
=> ‘syn’ means “ with ” so these reptiles
have one opening in temporal region of
skull.
=> All synapsids are extenct now.

11. 3. Di-apsida
=> ‘ Di ’ means “two” so these reptiles have
two openings in temporal portion.
=> This group is further divided into two
groups.
1- Lepidosauria 2-Archosauria

12. Characteristics of reptiles
1.Tetrapod Animal
1. Respiration

13. 3.Metanephric Kidney
4.Fertilization
5.Skin
6.Occurance

14. 7.Endothermic
=> Hibernation
8.Skull
=> condyle bone
9.Orders
-------------------------

15. Order Testudines
Characteristics
Shell in turtels
Reproduction & Lifespan
Turtles In danger

16. Order rhynchocephalia
• Introduction
• Distinctive Features

17. Order Squamata
• Sub order Sauria : The lizards
1- Geckos
2-Iguanas
3-chameleons
4-venomous lizards

18. Lizards

19. Sub order Serpentes
• Body structure
• Evolution of snakes

20. Suborder Amphisbaenia
• Body structure

21. Order crocodilia
• Introduction
1-species
2-appearance
3-examples ……etc

22. Crocodiles are reptiles.

23. Adaptations
I. Snout
II. Air passage way
III.Tail
IV.Digestive system
V.Reproduction