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Q1: The photograph above of the aphid and
Q13: In lakes,the open-water surface layer is called
Q19: Small intestine
Q22: Primary producers obtain energy from a(n)_ source
Q25: The first step in urine formation is
Q39: Bile<br>A)Made in the intestinal lining; removes amino
Q47: Blood pressure drives filtration in the _.
Q48: In _,an exposed organism accumulates increasing amounts
Q70: Vocal signals are used by _. <br>A)
Q82: A specialization of the stomach that aids