VERTEBRATES
Cartilaginous
The major characteristic of a ______ fish is a skeleton made of cartilage.
amphibian
A cold-blooded vertebrate that spends part of its life in water and part of its life on land is an ________.
mammals
All ______ are warm blooded and have hair.
cold-blooded, gills
All fish are_______, have streamlined bodies, and have _______ for breathing.
dry out
An amphibians skin will _____ without water.
supports the body protect the inner organs
An endoskeleton has two jobs: a. b.
warm-blooded
Birds and mammals are _______ animals.
scales
Bony fish have tough, overlapping _____ to protect their skin.
milk
Female mammals produce______ to feed their young.
cold-blooded
Fish, amphibians, and reptiles are ______ animals.
vertebrates
Mammals are the highest class of __________.
learn
Mammals can_________________.
dry
Reptile skin is _____.
cold-blooded
Reptiles are cold blooded or warm blooded?
bony
The largest vertebrate class is _________ fish.
reptiles
Several traits that help _______ live on land are: they have lungs, skin that protects their bodies for losing water, and tough eggs.
food clothing
Some animals are a source of ________ or materials for __________________.
endoskeleton
The backbone is part of the ______ which all vertebrates have.
cold-blooded
The body temperature of a _______ animal changes with the temperature of its surroundings.
birds
The characteristics of_____ include: they have feathers, beaks without teeth, two legs with clawed feet, warm-blooded, eggs with hard shells, and wings.
develop
The largest group of mammals are those that __________ inside their mother's body.
mammals that lay eggs, mammals with pouches, mammals that develop inside their mother's body
The three basic groups of mammals are________, ___________ ,and ______________________.
jawless, cartilaginous, bony
The three classes of fish are _______,________, and _______.
gills and fins lungs and legs
When a tadpole becomes an adult frog, it loses its____and _____ and develops ______ and ______.
cartilage
_____ is a tough flexible tissue. Your ears are made of it.
warm-blooded
_______ animals use the energy from food to keep a constant body temperature
reptiles
_______ have skin with scales or large plates and is waterproof.
sharks, rays, skates
_______,_____, and _______ are examples of cartilaginous fish.
Frogs, toads, salamanders
_______,________, and ________ are amphibians.
dogs monkeys
_________ and _________ can help people with a disability.
Cartilaginous
_________ fish have movable jaws, fins, and sandpaper like skin.
gills
__________ take oxygen out of the water and get rid of carbon dioxide.
Koalas, kangaroos, opossums
__________, ___________, and _________ are mammals with pouches.
jawless
_______fish are smooth and slimy. They have suckerlike mouths
bony
____fish have scales and skeleton made of bone.
