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Vocab
Fish
Levels of Classification
Birds
Reptiles
100
A body part used by some animals to breathe in water
Gill
100
Name 3 bony fish
bass, trout, and salmon
100
Biologists divide animals into groups based on their _________________.
Similarities
100
There are more than ________ species of birds.
9,000
100
What animals are considered reptiles?
Snakes, lizards, turtlese, alligators, and crocodiles
200
An animal with a backbone
Vertebrate
200
Name 3 fish that have a skeleton made of cartilage instead of bone
Sharks, rays, and skates
200
How many levels of classification are there?
7
200
What kind of bones to birds have?
Hollow
200
How many species of reptiles are there?
7,000
300
A group of organisms that can breed with each other to produce offspring like themselves
Species
300
How many fish have biologists discovered?
24,000
300
Name the levels of classification in order starting from the biggest.
Kingsom Phylum Class Order Family Genus Species
300
Flying requires a lot of energy, so birds cannot go a long time without ________________.
Eating
300
Reptiles have a body temperature that changes with the temperature of their surroundings. They are called__________
cold-blooded
400
Having a body temperature that changes with the temperature of the surroundings.
Cold-blooded
400
What is a gas-filled organ that allows bony fish to move up and down in the water?
Swim bladder
400
What is a group of living things that includes separate species?
Genus
400
All birds breathe with ________________.
Lungs
400
These extinct animals were reptiles that lives 235 million years ago.
Dinosaurs
500
Subdivisions of a kingdom
Phyla
500
All fish live in water and breathe with structures called _____________.
Gills
500
What is the lowest level of classification?
Species
500
Birds have a body temperature that remains the same. So they are called _________________.
warm-blooded
500
Where do reptiles live?
Some live on land. Others live in water.