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Q9: Which step in the evolution of life
Q16: _ are multicelled heterotrophs without cell walls.
Q27: Which element is considered a macronutrient needed
Q31: _ are the specialized reproductive structures of
Q32: Sieve tubes are different from vessel elements
Q46: This is a nuclease whose only function
Q51: Gametes are formed at stage _.<br>A) A<br>B)
Q55: In the accompanying figure, a feeding individual
Q65: Microspores are indicated by the letter _.<br>A)
Q80: Figure "A" in the accompanying figure is