Reptiles

Question 1

Reptile characteristics

Answer 1

Ectothermic, scales for protection, epidermal keratin

Question 2

Skin shedding

Answer 2

shed in snakes and lizards and grow in crocs and turtles

Question 3

Amniotic egg

Answer 3

leathery shell, moisture, shock absorber

Question 4

Reptiles Reproduction

Answer 4

internal fertilization

Question 5

Reptile Respiration

Answer 5

more efficient lungs (little cutaneous respiration), better circulation (2 atria, 1 ventricle, crocs have 2/2)

Question 6

Class Testudines

Answer 6

Turtles

Question 7

Skeleton of shell for turtle

Answer 7

Carapace (dorsal), Plastron (ventral)

Question 8

Characteristics of Turtles

Answer 8

Horny, toothless jaws, poor hearing but good vision, oviparous (eggs buried terrestrially) some genders of turtle determined by nest temp. so no sex chromosomes then

Question 9

Order Squamata

Answer 9

Snakes and Lizards *skull is kinetic in most, joints give mobility

Question 10

Suborder Sauria

Answer 10

lizards

Question 11

Suborder Sauria Characteristics

Answer 11

most have limbs, external ear openings, movable eyelid, good vision

Question 12

Suborder Serpentes

Answer 12

Snakes

Question 13

Suborder Serpentes Characteristics

Answer 13

Lack limbs and movable eyelids, kinetic skull adaptations, upper and lower jaw separate, no external ear, poor eyesight, keen olfaction, Jacobson’s organ on roof of mouth, infrared heat detecting pits in pit vipers.

Question 14

Movement of Suborder Serpentes

Answer 14

Lateral undulation(normal), Concertina(narrow passageways, trees, pushing against sides, Rectilinear(slow, stalking forward), Sidewinding(loose sand)

Question 15

Venomous Suborder Serpentes

Answer 15

Viper(hinged fangs), bite and release, old world(rattlesnakes, copperhead, water moccasin. Non vipers(fixed fangs), bite and chew,(coral, cobras, mambas, and kraits), SEA SNAKES HIGHLY VENOMOUS

Question 16

Venom Types of Suborder Serpentes

Answer 16

Neurotoxic(vision and respiration) Hemorrhagin(blood vessels and cells), most venoms a mixture

Question 17

Reproduction of Suborder Serpentes

Answer 17

Majority are oviparous, Rattle and Garter snakes are ovoviparous, rarely viviparous

Question 18

Order Crocodilia Characteristics

Answer 18

4 chambered heart vs. other reptiles, strong skull and jaws, aquatic

Question 19

Order Crocodilia Reproduction

Answer 19

Oviparous(nest of rotting vegetation guarded by mom), sex determined by nest temp

Question 20

Three families of Order Crocodilia

Answer 20

Alligators and caimans, crocodiles, gavial(one species, fish specialist)