Biology (11th Edition)

Published by McGraw-Hill Education
ISBN 10: 1-25918-813-2
ISBN 13: 978-1-25918-813-8

Chapter 41 - Plant Reproduction - Figure 41.7 - Inquiry Question: 1

Answer

Since different plants use different signals to decide to flower, and the same plant might use more than one signal (such as looking for a cold period to have passed and also days to be long enough). These different signals are used since what tells the plant that it is safe to flower varies from habitat to habitat.

Work Step by Step

The key here is to see that the four pathways mentioned in the question have different purposes/roles in plants growing in different places.
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