Section 18.1-- Reptiles: The Creeping Invertebrates Flashcards
reptile is derived from the Latin word which means
to creep
reptiles are considered ______________ because they regulate their temperature by external factors
cold-blooded
as a result of being cold-blooded, reptiles’ body temperature fluctuates with the temperature of their ________________–
surroundings
animals whose body temperature fluctuate in this manner are called
poikilotherms (varied temperature)
similarities among reptiles
vertebrates
cold-blooded
dry, tough skin covered by scales
breathe with lungs
except snakes and a few lizards, all reptiles are
tetrapods
most living reptiles have a ___________-chambered heart
three (two atria and single partially divided ventricle)
most reptiles are _______________. means produce eggs
oviparous
reptiles that bear their young alive are
ovoviviparous (bring forth alive from eggs)
the most numerous reptiles
lizards
probably the most common lizards
iguanas, geckos, chameleons, skinks
lizards live mostly in the
tropical regions
lizard species that is actually sea animal
marine iguana
the majority of lizards are less than _____________ long
one foot
the only two poisonous lizard species that are both native to North and Central American countries
Gila monster (predominantly pink and yellow patched)
Mexican beaded lizard
T/F: poisonous lizards spry venom
FALSE
noted for their ability to change color and blend with their surroundings
chameleons (most abundant in Africa)
all lizards ___________ once a month while they are active
molt
lizard that hides in crevices and inflates its body with air so the predator cannot remove it
chuckwalla
can glide from tree to tree by spreading out folds of scaly membrane that are supported by ribs
Draco (flying dragon)
lizard that squirts blood from its eye at its predator
horned lizard
the majority of lizards are
insectivores
most lizards have a good sense of ______________ and ____________s
smell and sight
the only lizard that can make a loud noise is the
gecko
