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Vocab. List #6

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Question
Answer
amphibians   ectothermic vertebrates; most can breathe through gills as young and lungs as adults  
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barometer   tool used to measure air pressure in inches of mercury or millibars (mb)  
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cold front   when a cold air mass collides and slides under a warm air mass; thunderstorms and cooler temperatures  
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filament   thin stalk of the stamen (male part of the flower)  
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fulcrum   the fixed point of a lever  
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internal stimulus   cues animals have to ensure their survival (hunger, thirst, sleep)  
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metamorphosis   physical changes an animal goes through as it transforms into an adult; ex: tadpole to frog  
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solar energy   energy from the sun  
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stratosphere   second layer of the atmosphere from Earth’s surface; contains the ozone layer  
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theory   explanation of things or events based on scientific knowledge resulting from many observations or experiments  
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Created by: kriley14
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