1. Order: Squamata
By Mr. “Go Bearcats” Chapman

2. Lizards
 Who came first lizards or snakes?
 Snakes evolved from lizards.
 It is believed that 95% of living reptiles are
descendants of early lizards.
 There are about 4,300 species of lizards.

3. Lizards
 Thigmothermy – is
the transfer of heat by
contact with a warm
surface.
 Most reptiles can
handle a body
temperature up to 107
degrees.

4. Lizards
 Lizards regulate their
body temperature
throughout the day
and night.
 Lizards can help
lower their body temp.
by lifting the belly off
the ground.

6. Lizards
 Pineal Gland – “third
eye” is on top of the
head that controls the
length of time they
spend basking.
 Also use the third eye
for feeling the
duration and length of
sunlight.

7. Lizard Legs
 Lizards’ legs are attached in a 90 degree
angle.
 Helps in 2 ways:
 1. Protect their belly
 2. Gives them speed

9. Lizards
 Tails for lizards serve two purposes:
 1. They store fat for the lizard
 2. Their tails can fall off when being
attacked as a defense mechanism.

11. Lizards
 There are only 2
venomous species of
lizards:
 1. Gila Monster
 2. Beaded Dragon

12. Lizards Diet
 Lizards eat a variety of food from fruits
and vegetables to large mammals.
 Iguana’s and Mali Uromastyx are
herbivores.

14. Lizards Diet
 Lizards eat a variety of food from fruits
and vegetables to large mammals.
 Iguana’s and Mali Uromastyx are
herbivores.
 The majority of lizards are carnivores, and
eat insects called Insectivores.
 Some like Chameleons' use a long sticky
tongue to grab insects.

16. Lizards
 The largest specie is
the Komodo Dragon.
 Komodo Dragon kills
its prey with its saliva.
 The dragons saliva is
filled with bacteria
that infects the prey
after being bit.