Adaptations for life on land. Amniotic egg. ي ن ي ن ج ض ي بWater-conserving kidney. Three-chambered heart Crocodilians ح ي سا م ت ل اhave 4 Claws for digging and locomotion. Improved Respiratory System. Loss of Lateral Line System of fish and amphibians. 17 orders of reptiles, but only members of 4 remain alive today. Lecture 19: 5- Class: Reptilia
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Adaptations for life on land. Amniotic egg. بيض جنيني Water-conserving kidney. Three-chambered heart Crocodilians التماسيح have 4 Claws for digging and.
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Adaptations for life on land.
Amniotic egg. بيض جنيني
Water-conserving kidney.
Three-chambered heart
Crocodilians التماسيح have 4
Claws for digging and locomotion.
Improved Respiratory System.
Loss of Lateral Line System of fish and amphibians.
17 orders of reptiles, but only members of 4 remain
alive today.
Lecture 19: 5- Class: Reptilia
1- Order: Testudines السالحف
300 species of turtles الس��الحفالس��الحف and tortoises البحري��ةالبرية
Bony shell.Limbs articulate internally to
the ribs ضلوعKeratinized beak منقار instead
of teeth.Fusion of vertebrae, ribs and
skin bones form plates – carapace (top of the shell).
2- Order: Crocodilia التماسيح
21 living species; crocodiles,
alligators االمريكي caiman ,التمساح
.التمس�اح الهندى and gavials ,االس�توائيAnatomically closer to birds and