5th grade ch. 1 lesson 2 how do we classify vertebrates
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Ch. 1 Lesson 2How do we classify
vertebrates?
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animalfeatures
multicellularcan not
make own food
can move
eat other organisms
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•animals w/ backbones that surround spinal cord
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5 classes of vertebrates
fish
amphibians
reptiles
birds
mammals
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mammalsmammals
• hair or fur
• warm-blooded
• mother’s milk
• eg: squirrel
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reptilesreptiles• scales• cold-blooded• lay eggs• do not feed young• eg: crocodile
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Sea turtles hatch from
eggs laid on beaches.
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birdsbirds• feathers• warm blooded• lay hard shelled eggs- fed by parents
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Baby birds are born needing to be fed and protected by an adult bird.
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amphibiansamphibians• cold-blooded
• soft, moist skin
• live in water after hatching from eggs-
use gills to breathe• adults live on land-use lungs to breathe
• ex: frog, salamander
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fishfish• live in water• cold-blooded• scales• get oxygen thru. gills• lay eggs
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Legs go straight down
Legs stick out from sides of bodies
Vertebrates
4 legs
Scales
LizardsDinosaurs
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Dinosaur were like birds b/c:
• Feathers• Wishbone• 4 chambered heart like birds
& mammals
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It’s time to play….
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a. b.
c. d.
3 2 1Choose !
mammalsCorrect Answer ! Mammals are not cold blooded.
fish
amphibians reptiles
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a. b.
c. d.
3 2 1Choose !
multicellulareat other organisms
make their own food
can moveCorrect Answer ! No animal can make its own food.
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a. b.
c. d.
3 2 1Choose !
feathersfur or hair
wishbone 4 chambered heart
Correct Answer !
Dinosaurs and birds do not have fur or hair!
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a. b.
c. d.
3 2 1Choose !
vertebrates 4 legs
fur scalesCorrect Answer ! Dinosaurs and lizards never had fur !
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a. b.
c. d.
3 2 1Choose !
get oxygen through gills
feathers
lay eggs live in water
Correct Answer ! Fish do not have feathers !
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a. b.
c. d.
3 2 1Choose !
hair or fur scales
warm-blooded drink mother’s milk
Correct Answer ! Mammals do not have scales !
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In your notebook, draw a picture of an animal from each vertebrate group ( fish, amphibians,
etc.)
Label 2 characteristics - fur, scales, feathers, moist skin, etc.
Use your notes from Lesson 2!
BIRD- ostrich
Has feathers
Lays hard shelled eggs
MAMMAL- hamster
Warm-blooded
Drinks mother’s milk