Share (4A) Science Review-Animals with backbones
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A backbone is what makes a vertebrate different from an invertebrate.
True
The body temperature of a warm-blooded animal changes a lot.
False (doesn't change much)
A warm-blooded animal gets heat from breaking down food.
True
Reptiles are cold-blooded.
True
A cold-blooded animal can't keep constant body temperature.
True
Vertebrates are grouped into _______ classes.
seven
The skeleton of a jawless fish is made of cartilage.
True
Sharks are a kind of bony fish.
False (cartilaginous fish)
The largest class of vertebrates is the ____________.
bony fish
The skeleton of a bony fish is made of bones.
True
Amphibians are warm-blooded animals.
False (cold-blooded)
Amphibians spend all of their lives in the water, frogs are examples of amphibians.
False (part of their lives on land, part in water)
The young of a frog is called a __________.
tadpole
An amphibian's skin needs to stay moist.
True
"Moist" means without water.
False (with water)
An amphibian doesn't breathe through its skin after it grows up because it has a lung.
False (still breathes through its skin)
