A plant’s response to the relative lengths of light and dark periods in its environment during each 24-hour period is a
phenomenon called ____.
a. gravitropism
b. photoperiodism
c. thigmotropism
d. circadian rhythms
e. phototropism
ANSWER: b
Biology & Microbiology
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What will be an ideal response?
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Lichens can form from the symbiotic relationship between a photosynthetic bacterium and a fungus
Indicate whether the statement is true or false
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