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Exam #3 ************
Terms in this set (50)
`made of keratin
turtles slowly add keratin to their
scutes (modified scales)
Lizards and snakes shed their
scales and outer layer of skin
Reptiles have special copulatory organs for
Reptiles have a more efficient heart and blood vessels (cardiovascular system) than do amphibians T/F
Reptiles have a higher blood pressure than amphibians T/F
There is less mixing of oxygenated and deoxygenated blood in the
Reptilian lungs are more efficient than amphibian lungs T/F
There is no respiration (breathing) through the skin of reptiles except
for the throat in some turtles
Reptiles are much more efficient in conserving water than are amphibians T/F
Some reptiles have _____ glands to rid themselves of salt while using little water
Most reptiles excrete nitrogen containing (nitrogenous) waste in the form of
uric acid, a semi-solid paste
Reptiles have more efficient limbs than amphibians T/F
Reptiles have a more advanced nervous system than do amphibians T/F
Reptiles are ectothermic =
Cold Blooded (sun themselves in the morning and have to be careful about over heating)
Most reptiles are, and have been
diapsids, with two temporal openings
Lizards have a ____ skull
Skulls of most reptiles that has extremely mobile joints.
Lizard #1- lives in dessert
Lizard #2- many have specialized scales on toe pads that allow them to hang upside down
Lizard #3- includes the marine ________ of the Galapagos. they have crests and frills for display
Monitors are the ________
Most lizards have good color vision.
Most lizards have an external ear.
Except for the nocturnal geckos most lizards are silent.
Worm lizards are also called
Most worm lizards are
Worm lizards are burrowing reptiles with their skin divided up into many rings that make them look like earthworms.
are limbless reptiles that evolved from lizards
Snakes have no external ears and no eyelids T/F
Snakes are deaf but are sensitive to _____
Low frequency vibrations
involves vigorous undulation of the body where the snake slides widely over the surface
with The forked tongue of snakes takes chemicals to the paired chemical sensing Jacobson's Organs in the roof of their mouth; this is how snakes smell.
pit vipers include
rattlesnakes, water moccasins, copperheads, asps, and others.
The pit organs allow pit vipers to detect warm-blooded prey.
Pit vipers have
long hollow fangs like hypodermic needles
act on the nervous system causing blindness and paralysis of respiration.
Venom - Hemorrhagin
type toxins are toxins that break down red blood cells and blood vessels.
Most snakes are oviparous
Some snakes are ovoviviparous
, giving birth to live young
A few snakes are viviparous
they nourish their young with a primitive placenta
The 2 species of Tuatara are the only living examples of
sphenodonts. an ancient group of reptiles. found in new zealand
long jaws with the 4th mandibular tooth fitting outside the upper jaw when the mouth is closed unlike alligators
have short, broad snouts
- they can withstand cooler temperatures than most crocodiles
have a very long thin snout and eat fish
Crocodilians have a ___-chambered heart that is more efficient than the _____-chambered heart of the other reptiles
the dominant terrestrial vertebrates during most of the Age of Reptiles - Mesozoic Era until they became extinct 65 million years ago.
DINO :) RAWR
A group of relatively small, bipedal, carnivorous dinosaurs.
These are huge, 4 legged, long necked/ long tailed, herbivores that thrived in the Jurassic
Other sets by this creator
monotremes and marsupials
Exam #3 ************