What moves phloem sap within a plant?
A) cohesion-tension mechanism
B) gravity pulls the phloem sap down
C) pressure-flow mechanism
D) transpiration
Correct Answer:
Verified
Q18: Transpiration is _.
A)the loss of oxygen from
Q19: The three most important nutrients contained in
Q20: What weather conditions would cause transpiration to
Q21: What best describes night-neutral plants?
A)The plants flower
Q22: Early in the spring, cherry trees produce
Q24: A farmer decides she wants to grow
Q25: Which statement is TRUE?
A)A given hormone has
Q26: What hormone promotes cell division?
A)auxin
B)cytokinin
C)gibberellin
D)abscisic acid
Q27: In a strawberry plant in the summer,
Q28: Transpiration pulls water up a plant because
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