Insects, and some other invertebrates, exchange oxygen and carbon dioxide between their tissues and the air<span> by a system of </span>air<span>-filled </span>tubes<span> called tracheae. Tracheae open to the outside through small holes called spiracles. In the</span>grasshopper<span>, the first and third segments of the thorax have a spiracle on each side.</span>
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Doing this for points! sorry!
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Sounds like a personal question, try thinking about it
Answer: What was it that allowed Rachel Carson to capture the public ... classic “Silent Spring” was published, its author, Rachel Carson, ... Once these pesticides entered the biosphere, Carson argued, they not only killed bugs but also made their way up the food chain to threaten bird and fish populations and ...
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