Chapter 17 Flashcards
The endoskeletons of all vertebrate animals have a _______
skull and vertebral column
The walls of a vertebrate heart chamber are made of
muscle
The spinal cord and _______ are part of the central nervous system
brain
The structure that manufactures urine by filtering the blood is the _______
kidney
A fish moves by
flexing its entire body
Lampreys and hagfish differ from other fish because they
have no jaws
What organ do young amphibians have that the adults usually do not have
gills
A frog’s tongue is sticky, used to catch food and __________
attached to the front of its mouth
Amphibian skin may be used in respiration, be smooth and moist, and _____________
secrete distasteful substances
Which sense do snakes not have?
hearing
Similar to but more flexible than bone
cartilage
describes blood that has high carbon dioxide content
deoxygenated
a muscle important to breathing
diaphragm
branches off the spinal cord
spinal nerve
absorbs digested food
small intestine
produces bile
liver
the Komodo dragon is a very large one
lizard
lays its eggs in long strings in the water
toad
a fish that has no jaws
lamprey
has a cartilage skeleton and gills
shark
one-of-a-kind reptile found only in New Zealand
tuatara
a kind of snake with heat detectors
pit viper
a freshwater turtle that may come onto land
terrapin
Be able to label the following parts of a frog’s digestive system
- liver
- small intestine
- esophagus
- gallbladder
- pancreas
use diagram on page 311
a _________ has exactly two sets of teeth and undergoes metamorphosis
frog
a __________ has a heart with two chambers and a skeleton made of cartilage
shark
a ________ has heat sensing pits and molts its scales regularly
snake
a _______ has no teeth
tortoise
What term describes man’s study of living things to discover better solutions for human problems?
biomimicry
What is the state of inactivity that amphibians may enter during hot, dry weather?
estivation
True or False
In a fish’s gills, oxygenated blood becomes deoxygenated
False
True or False
Lungs have many capillaries
True
True or False
The eye is a large and complex sensory receptor
False
True or False
As a tadpole changes to a frog, its tail falls off
False
True or False
All snakes are meat eaters
True
True or False
Snake jaws are doubly hinged
True
True or False
Alligators inhabit more ares of the United States than crocodiles do.
True
True or False
Some turtles are born with gills
False
