WorksheetsReptiles 2023
Total questions: 35
Worksheet time: 12mins
Transparent scale of each eye of a snake
spectacle
cloaca
nictitating membrane
Jacobson's organ
What body system does a turtle's shell belong to?
skeletal
integumentary
protective
circulatory
How do turtles breathe?
the diaphragm forces air in and out of the lungs
movement of leg muscles
secondary palate in the mouth
expansion and deflation of ribs
Mobile skull with movable joints in the palate and across the roof of an animal's mouth; allows the animal to eat relatively large prey
kinetic skull
plastron
spectacle
mandible
Pit-like sense organ in the roof of a snake's mouth; removes scent molecules from the tongue and transmits information to the brain
spectacle
plastron
Jacobson's organ
pit organ
What determines the sex of turtles, crocodilians, and some turtles?
sex chromosomes
humidity
nest temperature
their parents
Shelled vertebrate egg with multiple chambers; allows for rapid develop of young in relatively dry habits
amniotic egg
shelled egg
jelly-egg
Easter eggs
What turtle structure is represented by letter D? Bottom shell of a turtle; means "breastplate"
plastron
carapace
vertebrae
ribs
What turtle structure is represented by letter B?
plastron
carapace
vertebrae
ribs
What turtle structure is represented by letter C? Hard dorsal shield of an animal; forms the back shell of a turtle
plastron
carapace
vertebrae
ribs
What structure is represented by letter H?
fang
discharge orifice
glottis
nostril
What structure is represented by letter F?
fang
discharge orifice
glottis
nostril
What structure is represented by letter A?
pit organ
venom duct
venom gland
nostril
What forms the inner layer of a turtle's shell?
keratin
bone
skin
chitin
S-shaped snake movement; very fast and efficient; typical snake movement
serpentine movement
rectilinear movement
concertina movement
side-winding movement
Short portions of a snake's body are lifted and moved forward; used by heavy bodied snakes when stalking prey
serpentine movement
rectilinear movement
concertina movement
side-winding movement
Snake movement that is within a narrow pathway such as for climbing trees or other object
serpentine movement
rectilinear movement
concertina movement
side-winding movement
Snakes that have heat-sensitive pit organs between the nostril and eye; the majority of venomous snakes in the US are in this group of snakes
pythons
boas
colubrids
pit vipers
All of the snakes listed below are venomous snakes found in the US. All are pit vipers, except one. Which snake is NOT a pit viper?
coral snake
rattlesnake
copperhead
water moccasin
Longest venomous snake at up to 18' in length; responsible for several thousand deaths each year; can raise its head 4'-5' off the ground to "hood out" making itself look much larger
reticulated python
green anaconda
black mamba
king cobra
Fastest venomous snake; grows up to 14' in length; responsible for several thousand deaths each year; named for the color of its mouth
reticulated python
water moccasin
black mamba
king cobra
Longest snake at a recorded length of 33'; giant constrictor found in SE Asia rainforests
reticulated python
Barbados threadsnake
black mamba
green anaconda
Heaviest snake weighing nearly 500 pounds; giant constrictor found in S American rainforests; water snake that ambushes its prey and then constricts it
reticulated python
Barbados threadsnake
black mamba
green anaconda
Smallest known snake at 4" in length; found on several Caribbean islands
reticulated python
Barbados threadsnake
black mamba
green anaconda
Structure in the mouth that allows crocodilians and mammals to breathe through the nose while the mouth is filled with food or water
secondary palate
spectacle
double circulatory system
kinetic skull
Large crocodilian found in southeastern United States. It is the most common crocodilian in the US. It is the only crocodilian native to Oklahoma.
American alligator
American crocodile
caiman
Komodo dragon
This family of snakes include boa constrictors, Kenyan sand boas, emerald tree boas, and anacondas. These snakes have infrared heat sensors that allow them to sense warm-blooded prey. They constrict their prey before eating. Most of them give birth to live young.
Family Hydrophiidae
Family Viperidae
Family Colubridae
Family Boidae
What family do most non-venomous snakes in the United States belong to? In other parts of the world, this family has members that can be very venomous. This family includes corn snakes, milk snakes, rat snakes, etc.
Family Hydrophiidae
Family Viperidae
Family Colubridae
Family Boidae
Small, agile lizards that are mostly nocturnal, many have adhesive toe pads, males can be vocal
geckos
chameleons
iguanas
skinks
Arboreal lizards of Africa & Madagascar; have sticky tongues for catching prey; many can change colors or are brightly colored
geckos
chameleons
iguanas
skinks
What is the largest land tortoise?
alligator snapping turtle
Galapagos giant tortoise
leatherback sea turtle
bog turtle
What is the largest sea turtle?
alligator snapping turtle
Galapagos giant tortoise
leatherback sea turtle
bog turtle
What is the smallest sea turtle?
alligator snapping turtle
Kemp's Ridley sea turtle
leatherback sea turtle
green sea turtle
Which of the following is named after its green fat?
alligator snapping turtle
Kemp's Ridley sea turtle
leatherback sea turtle
green sea turtle
What are some hazards sea turtle hatchlings and juveniles face before reaching adulthood?
predators
overheating
flooding
freezing
