Principles of Biology
Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 29.3, Problem 1TYK

Imagine a garden that has been planted with irises, dahlias, carnations and in which goldenrods also occur as weeds. Match each with the seasonal period during which blooming will occur.

1. iris (a long-day plant)

2. dahlia (a short-day plant) when nights are relatively

3. carnation (a day-neutral plant) short

4. goldenrod

  1. spring or early summer when nights are relatively short
  2. anytime that light amounts meet plant growth needs
  3. late summer, fall, or winter when days are short
  4. none of the above

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