Vertebrate Classification
Vertebrates have an internal skeletal structure made of these two materials
bone, cartilage
Most fish have an external defense system called
scales
"Amphibian" means
double life
carnivores
The body system that moves blood around the body is called
circulatory
Vertebrates' blood requires
oxygen
Fish breathe using their
gills
Amphibians are born in what environment
water
Terrapins spend the majority of their lives
in water (ocean)
Blood is red when oxygenated and ________________ when deoxygenated
red
The two main parts of the central nervous system are
brain, spinal column
Fish have how many chambers in their hearts?
two
Amphibians have how many heart chambers in adulthood?
three
Tortoises spend the majority of their lives where
land, usually dry
The system that takes care of your food is called
digestive system
The nervous system has two parts: the central system and the ________________ system
peripheral
What is countershading and who uses it?
Sharks have dark upper skin and light lower skin
Frogs have two sets of teeth, and one set is called
maxillary teeth
Terrapins spend their lives where
land and water
Which organ provides additional enzymes for digestion?
liver
Ectothermics rely on what to control their internal temperature?
environment
What are the three classifications of fish?
Bony, cartilaginous, jawless
"hibernation" during periods of extreme heat
three
What muscle helps vertebrates breathe?
diaphragm