The structure of the fern sporangium shown promotes spore dispersal by a ‘catapult’ mechanism. What is the driving force involved? A. Increased pressure within the sporangium B. Opening of the sporangium mouth C. Elastic rebound D. Water evaporation from the annulus
The structure of the fern sporangium shown promotes spore dispersal by a ‘catapult’ mechanism. What is the driving force involved? A. Increased pressure within the sporangium B. Opening of the sporangium mouth C. Elastic rebound D. Water evaporation from the annulus
Science Of Agriculture Biological Approach
5th Edition
ISBN:9780357229323
Author:Herren
Publisher:Herren
Chapter9: Plant Growth
Section: Chapter Questions
Problem 4SLA
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The structure of the fern sporangium shown promotes spore dispersal by a ‘catapult’ mechanism. What is the driving force involved?
A. |
Increased pressure within the sporangium |
|
B. |
Opening of the sporangium mouth |
|
C. |
Elastic rebound |
|
D. |
Water evaporation from the annulus |
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