Respiration and Photosynthesis
Sound waves<span> coming from farther above, where it is warmer, will experience a refraction. The change in speed from the warmer </span>air<span> to the cooler </span>air<span> causes a bending effect, as the </span>sound travels<span> downward.</span>
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Environmental pressures
Basically every animal adapts to pressures from their environment in different ways, causing them to have different shapes and sizes
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okay I will do that since you asked do nicely :)
So other scientists can try the exact same experiment and see if they both got the same results.
