Gas exchange in most land plants occurs through structures called
A) stomata.
B) apical meristems.
C) vascular tissue.
D) cuticles.
Answer: A
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Answer the following statement true (T) or false (F)
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smooth surfaces?
What will be an ideal response?The extraembryonic membrane that contains fluid to cushion and protect the embryo is the __________
Fill in the blank(s) with the appropriate word(s)
Which of the following statements regarding active transport is false?
A) Active transport uses ATP as an energy source. B) Active transport can move a solute against its concentration gradient. C) Active transport requires the cell to expend energy. D) Active transport is driven by the concentration gradient.