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15
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How do animals repire?
They take in Carbon dioxide and release Oxygen.
They take in Oxygen and release Carbon dioxide.
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15
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How do worms repire?
Worms get oxygen through body surface.
Worms get oxygen through lungs.
Worms get oxygen through gills.
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15
×
What are they?
They're TRACHEAL SYSTEM.
They're GILLS.
They're STOMACH.
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×
baam
Lose 25 points!
Oops!
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seesaw
Swap points!
Okay!
×
gift
Win 15 points!
Okay!
×
thief
Give points!
5
10
15
20
25
×
eraser
Reset score!
Oops!
×
star
Double points!
Okay!
×
fairy
Take points!
5
10
15
20
25
×
lifesaver
Give 15 points!
Oops!
×
trap
No points!
Oops!
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fairy
Take points!
5
10
15
20
25
×
rocket
Go to first place!
Okay!
×
lifesaver
Give 25 points!
Oops!
15
×
What are they?
They're skin.
They're stomach.
They're gills.
They're lungs.
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15
×
What system is this?
It's tracheal system.
It's skin.
It's a gill.
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15
×
Horses are ____.
carnivores
herbivores
omnivores
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15
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_______ have tracheal system to respire.
insects
fish
birds
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15
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Sharks are _________.
omnivores
carnivores
herbivores
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15
×
How do humans get oxygen?
Humans use LUNGS to get oxygen from the environment.
Humans use GILLS to get oxygen from the environment.
Humans use SKIN to get oxygen from the environment.
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trap
No points!
Oops!
×
seesaw
Swap points!
Okay!
×
rocket
Go to first place!
Okay!
×
banana
Go to last place!
Oops!
15
×
Fish use GILLS to get _____ from the environment.
oxygen
carbon dioxide
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×
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