Consider the figure below. The bars show changes in primary productivity with and without endomychorrhizal associations for a group of plants that diverged early in the history of terrestrial plants. 
Which of the following statements supports the data shown in the figure?
Definitions:
POST
Power-On Self-Test, a diagnostic testing sequence performed by a computer's firmware on startup to check the health of the computer's hardware components.
Argue
To present reasons for or against something; to discuss a topic with an aim of persuading others to share one's point of view.
Wi-Fi Analyzer
A software tool used to scan wireless networks, helping to identify signal strength, interference, and optimal setup locations.
Wireless Packets
Small units of data transmitted over a wireless network, conforming to specific protocols for communication between devices.
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