A prolonged period without rain is causing a major drought in the American Midwestern states.How would you expect crops to respond initially to the stress caused by the drought?
A) They will take in more carbon dioxide.
B) They will take in less carbon dioxide.
C) They will release more oxygen.
D) They will increase rates of photosynthesis.
E) They produce fewer secondary metabolites.
Correct Answer:
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B)a small branch
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A)archegonia
B)sporophytes
C)antheridia
D)lycophylls
E)stomata
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A)A meteorite
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A)a tough protective covering on spores
B)pollen
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