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Home Q & A Board Biology-Related Homework Help General Biology
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BurningAshe BurningAshe
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6 years ago
Which of the following terms refers to the change in
  relative day length?
  a. phytoerythrin
  b. phototropism
  c. photorhythmic
  d. photochrome
  e. photoperiodism

Question 2

Rhythms that are repeated every 24 hours are
  a. sleep movements.
  b. tropisms.
  c. physiological requirements.
  d. circadian rhythms.
  e. biological clocks.
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slpconnerslpconner
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6 years ago
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BurningAshe Author
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#2
6 years ago
Electric Light Bulb All of these are right, thanks!
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