Lesson 6c: Reptiles Flashcards
The sole survivor of a group that otherwise disappeared 100
million years ago.
Tuatara
Gave rise to all other traditional “reptiles” (except turtles) and
to birds.
Diapsids
Shells of the turtle consist of a dorsal ____ and a ventral
_____.
Carapace and Plastron
Type of venom that acts on the nervous system, causing
blindness or inhibit respiration.
Neurotoxins
Surrounds embryo, and use as cushion.
Amnion
In some turtle families nest temperature determines sex of
hatchlings. High temperatures produce______ ?
Female
Snake locomotion that use muscles on ribs to contract and
relax.
Rectilinear
Forked tongue picks up scent particles and conveys them to
this organ and it is lined with olfactory epithelium.
Jacobson’s organ
The two parts of a turtle or tortoise’s shell are _____ and ________.
carapace and plastron.
Most reptiles reproduce with _________ and _________ in shelled eggs.
internal fertilization and external
development.
The amnion sac of a reptile egg functions as
a _________
shock-absorbing fluid-filled sac protecting the embryo.
Reptiles with the most well-developed
hearts include ________ and _______.
crocodiles and alligators.
Most venomous snake.
Sea snake, Australian tiger snake
3 Patterns of Openings in the Temporal Region
- Anapsids
- Diapsids
- Synapsids
No opening in the temporal region
Anapsids (Turtles)
2 temporal openings
Diapsids
1 single pair of openings
Synapsids
Characteristics of Amniotic Egg
- Amnion
- Allantois
- Chorion
Surrounds embryo, cushion
Amnion
Stores metabolic waste
Allantois
All amnions lack ________ and have _________.
gilled larvae, internal fertilization
Order of Lizards and Snakes
Order Squamata
Suborder of Snakes
Suborder Serpentes
Suborder of Lizards
Suborder Sauria
A specialized olfactory chamber in the roof of the mouth.
Jacobson’s organ
Order of Turtles
Order Testudines
_________ type of venoms break down blood vessels.
Hemorrhagin
Order of Tuatara
Sphenodonta
3 Families of Modern Crocodilians
- Alligators and caimans
- Crocodiles
- Gharial (gavial)
What order are crocodiles and alligators
Order Crocodilia
Tuataras are vulnerable because they have ________ and _________.
slow growth and reproductive rates
________ is the most common copulatory organ
Penis
Reptiles have __________ heart.
4 - Chambered
respiratory surface
Chorion
Makes the scales, hair, feathers, and claws
Keratin
Used for crushing or gripping force to prey
Jaws of nonavian reptile
Functions to move food in mouth for mastication and swallowing
Tongue
What atrium receives deoxygenated bloof
Right atrium
What atrium receives oxygenated blood
Left Atrium
Urine is produced in the ______
kidneys
Salt is remove by ________ near the nose, eyes, or tongue
Salt glands
Turtles cannot expand their chest to breathe because they have a ________ shell.
rigid
2 lizards that are only capable of venomous bite
Gila monsters and Beaded Lizards
