Reptiles and turtles Flashcards
Class Reptilia
Lizard and Snakes
Class Chelonia
Turtles and tortoises
Amniotes
Reptiles, Turtles Crocs, Birds, Mammals
Amnion
Protects Embryo within aquatic Environment
Yolk Sac
Provides nutrients
Allantois
Storage of Metabolic Wastes
Chorion
Functions in gas exchange
All lizards have what two things
Scales and most have legs
Lizards unlike snakes have Moveable
Eyelids and external ear openings
Caudal Autotomy
Ability to drop tail to distract predator
Class Reptillia have what features
Legless, scales dry skin, No moveable eyelids and no ears
Name some features on a rattlesnake
Pit organs, Cryptic Colouration
Class Chelonia
Turtles and tortoises
Shells of a dorsal carapace and ventral plastron
Fused with skeleton
Reptiles and turtles have epidermal scales comprised of
Keratin
Turtles and crocs have______ horny scales underlaid by bony plates
Scutes
Reproduction in reptiles and turtles
Internal Fertlization, Mostly oviparous, but some are ovoviviparous. NO LARVAK STAGE
No parental care of eggs or young in reptiles and turtles except in…
crocs
Environmental sex determination is present in
Crocs, Tuataras, many turtles and many lizards
Cardiovascular system in Reptiles and Turtles
Oxygenation of blood via lungs, not gills.
Aquatic turtles also respire through
Skin, lining of their throat, bursae in cloaca
Retiles and turtles have a ___ chambered heart
3 chambered heart
Crocs have a _____ chambered heart
4 chambered heart
water conservation in turtles
Kidneys excrete uric acid and salt glands excrete salt
