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What two main groups are animals divided into?
- Vertebrates (backbone
- Invertebrates (no backbone)
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What are the 3 classes of fish?
- Jawless
- cartilaginous
- bony fish
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An animal whose body temperature does not change much is....
Warm Blooded
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List 5 groups vertebrate(backbone)...
- fish
- mammals
- amphibians
- reptiles
- birds
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List 3 ways mammals are different in how their young develop...
- Most give birth
- born alive
- produce milk
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An animal whose body temperature changes with their surroundings is......
Cold blooded
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More than 95 our of every 100 animals are vertebrates or invertebrates?
invertebrates
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The 8 main groups of invertebrates (no backbone) are...
- mollusks
- cnidarians
- sponges
- echinoderms
- flat worms
- roundworms
- segmented worms
- arthropods
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2 groups of vertebrates that are warm-blooded.
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Lay eggs with tough, leathery shells
Reptiles
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Have fins and live in water
fish
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Covered with hard, dry rough scales
Reptiles
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All have fur or hair
Mammals
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Give birth to live babies
Mammals
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lay eggs which have a jelly like substance
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soft, moist skin
amphibians
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all have wings, most can fly
bird
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the 3 groups of vertebrates that are cold-blooded
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alligators, lizards, turtles, and snakes belong in this class
reptiles
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monkeys, dolphins, whales, and humans are examples of this class
mammals
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angel fish, trout, flounder and goldfish are examples of this class
Fish
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frogs, toads and salamanders are examples of this class
amphibians
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penguins, sparrows, crows and ducks are examples of this class
birds
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