REPTILES

Why do turtles pull their head underneath their shell?

• To protect themselves
• To sleep better
• To eat food
• To swim faster

What is on the outside surface of reptile bodies?

• hair

• mucus

• feathers

• scales

What makes up hair, feathers, nails, and scales

• keratin

• chitin

• hemoglobin

• skin

What body system does a turtle's shell belong to?

• skeletal

• integumentary

• protective

• circulatory

What structures make up a significant portion of a turtle's shell?

• vertebrae and ribs

• shoulder girdle and pelvic girdle

• cranium and jaws

• vertebrae and leg bones

What forms the outer layer of a turtle's shell?

• keratin

• bone

• skin

• chitin

How do turtles ventilate their lungs?

• movements of the diaphragm

• contractions of rib muscles

• movement of the back of the mouth

• movement of limbs

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 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

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