Class Reptilia Classification

Question 1

Order Sphenodontia

Answer 1

tuataras

Question 2

How many species in order Sphenodontia? Where?

Answer 2

2, New Zeland

Question 3

What is the oldest living, nearly extinct order?

Answer 3

Sphenodontia

Question 4

What does Sphenodontia feed on?

Answer 4

insects

Question 5

what is special about Order Sphenodontia?

Answer 5

they have a parietal eye

Question 6

parietal eye

Answer 6

“third eye”, middle of forehead, can detect light/dark

Question 7

Order Testudines

Answer 7

turtles and tortoises

Question 8

How many species in testudines

Answer 8

300

Question 9

carapace

Answer 9

dorsal shell, made of bone

Question 10

plastron

Answer 10

ventral shell, helps form girdles

Question 11

how many shells does order Testudines have

Answer 11

2, carapace and plastron

Question 12

why are testudines slow?

Answer 12

their shells inhibit movement

Question 13

scutes

Answer 13

what covers testudines shells

Question 14

do testudines have teeth

Answer 14

no, just a beak like structure

Question 15

how long can a Galapagos tortoise live

Answer 15

100-200 years

Question 16

turtle characteristics (4)

Answer 16

live in/near water; flat, streamlined shell; paddle like legs; omnivores

Question 17

tortoise characteristics (4)

Answer 17

live on dry land; high domed shell; short, stumpy legs; herbivores

Question 18

Order Squamata

Answer 18

snakes and lizards

Question 19

how many species in order squamata

Answer 19

7,675 species

Question 20

percentage of all reptiles in this order

Answer 20

Squamata

Question 21

Suborder Serpentes

Answer 21

snakes

Question 22

number of species in serpentes

Answer 22

3000

Question 23

number of species in sauria

Answer 23

l4,675

Question 24

Suborder Sauria

Answer 24

lizards

Question 25

2 categories of serpentes

Answer 25

nonvenomous and venomous

Question 26

examples of non venomous snakes

Answer 26

most snakes, black racer, indigo snake

Question 27

how do most non venomous snakes kill their prey

Answer 27

hold prey against ground, swallow alive and eat

Question 28

how to nonvenomous constrictor snakes kill their prey

Answer 28

squeezing and suffocating

Question 29

examples of constrictor snakes

Answer 29

boa constrictor, python, anaconda, king snake, rat snake

Question 30

how many snakes are venomous? (%)

Answer 30

less than 20%

Question 31

how do venomous snakes kill their prey

Answer 31

injecting w/ venom through fangs

Question 32

fangs characteristics (4)

Answer 32

front of mouth, large, hollow, curved

Question 33

what toxins to venomous snakes have (2)

Answer 33

hemotoxin and neurotoxin

Question 34

hemotoxin

Answer 34

blood

Question 35

neurotoxin

Answer 35

interferes w/ nervous system functions

Question 36

pit viper major characteristic

Answer 36

have deep pits on the side of its head that detects heat of warm blooded prey

Question 37

shared characteristics of lizards and snakes (2)

Answer 37

kinetic skill and Jacobson's organ

Question 38

Jacobson's organ

Answer 38

use flicking of tongue to pick up chemicals in air before running tongue along Jacobson's Organ to detect specific smells

Question 39

kinetic skull

Answer 39

joints in skull are flexible and allow for expansive movement to eat large prey; while swallowing large prey, glottis is moved between separation of mandible

Question 40

glottis

Answer 40

opening of windpipe

Question 41

Sauria characteristics (4)

Answer 41

4 legs, moveable eye lids, internal ear openings, some have detachable tails

Question 42

Order Crocodylia

Answer 42

crocodiles, camens, alligators

Question 43

how many species in Crocodylia

Answer 43

23

Question 44

what does crocodylia eat

Answer 44

use strong jaw and sharp teeth to eat birds, fish, mammals, turtles

Question 45

crocodylia skin

Answer 45

thick, covered by hard scales

Question 46

crocodylia heart

Answer 46

4 chambers: 2 atria, 2 ventricles

Question 47

how fast can crocodylia run

Answer 47

up to 10 mph

Question 48

where are crocodylia eggs laid

Answer 48

in the ground, adult stays near to guard them

Question 49

higher temp of crocodylia eggs produce

Answer 49

males

Question 50

lower temp of crocodylia eggs produce

Answer 50

females

Question 51

use of powerful crocodile tail (2)

Answer 51

quick swimming, weapon on land

Question 52

how many crocodile species

Answer 52

14

Question 53

where do crocodiles live

Answer 53

tropics, everglades, florida

Question 54

crocodile nose shape

Answer 54

narrow, tapered snout

Question 55

where do alligators live

Answer 55

southeast US and china

Question 56

how many species of alligators

Answer 56

2