Download Reading Guide Pages 100-104 Reptiles

Reading Guide Pages 100-104 Reptiles: Lizards and Snakes
Name:____________________________________
Grade_______
1) What is a reptile? Ectothermic vertebrate that has lungs and scaly
skin
2) What are some examples of reptiles? Snakes lizards turtles and
alligators
3) Reptiles were the first vertebrates especially adapted
for____________________________________. Life on land
4) What parts of a reptile are especially adapted to conserve water?
Eggs, skin and kidneys
5) Do reptiles have internal or external fertilization?
internal
6) What do reptile eggs have as extra protection to keep them from
drying out?
Membranes and a shell
7) Reptile eggs look like bird eggs except
They are soft and leather instead of rigid
8) What are the tiny holes, or pores in reptile eggs for?
Letting oxygen in and carbon dioxide out
9) How many membranes does a reptile egg have AND what are their
jobs? There are 3 membranes
1) holds liquid that surrounds embryo job= protects keeps moist
2) holds the yolk which provides food for the embryo
3) holds the embryos waste
10)
Describe a reptile’s skin
Dry tough and covered with scales
11)
What are the two functions of a reptile’s skin?
Protection and keeps water inside
12)
How do reptiles get oxygen?
Breathe with lungs
13)
How many loops do most reptiles have in their circulatory
system?
Two loops
14)
How is the reptile heart similar to an amphibian heart?
3 chambers named 2 atrium and 1 ventricle, blood moves
out of the heart in similar way (2 loops), mixing of blood
in the ventricle
15)
Most reptiles alive today are either snakes
or_________________? lizards
16)
What characteristics do snakes and lizards have in common?
Skin covered with overlapping scales, both molt, live in
warm areas
17)
What are some differences between lizards and snakes?
Lizard 4 legs usually with claws snakes have no legs
Lizards external ears snakes internal ears
Lizards tails
snakes long streamlined body
Lizards eyelids
snakes no eyelids
18)
Are lizards carnivores or herbivores?
They are both depending on the species
Urine – watery fluid containing the waste
of an animal. Concentrated in reptiles