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humans have bones and muscles that us move. what structure protects insects and gives them structure?
a. skin
b. rigid tubes
c. exoskeleton
d. other muscles
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Select the correct answer. for their summer holiday, jane and her family are visiting places surrounding the mediterranean sea. which type of biome is jane and her family visiting? a. rainforest b. shrubland c. tundra d. coniferous forest reset next
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humans have bones and muscles that us move. what structure protects insects and gives them structur...
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