SCIENCE JOURNAL 9/20/2012

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DATE TABLE OF CONTENTS PAGE 2 nd PAGE 9/20/2012Science Vocabulary 23 9/20/2012Guided Question 24

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9/20/2012Science Vocabulary 23

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adaptation – A special trait that helps an organism survive. water, another liquid, or air that buoyancy – The upward force of keeps things afloat. 9/20/2012Science Vocabulary 23

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A analyze4 adaptation23

B buoyancy23

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The pictures show an empty cicada shell and a cicada. The cicada shell most likely shows that — A the cicada was killed by a bird B the cicada’s outer skin helps attract mates C cicadas shed their skin during their life cycle D cicadas first appeared on Earth before dinosaurs were extinct 9/20/2012Guided Question 24

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Insects are covered by an exoskeleton. That means that their important insides are covered by very tough skin (almost like a shell). When insects grow bigger they need to break out of this exoskeleton. The Answer is C cicadas shed their skin during their life cycle

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