Some Angiosperms Produce "Cluster Roots," Which Are Roots That Have

question 132

Multiple Choice

Some angiosperms produce "cluster roots," which are roots that have high metabolic rates and exude large quantities of organic acids into the soil. For the plant, what do you expect is the most useful benefit of these organic acids?

• A)They provide energy for free-living soil microbes.
• B)They provide energy for symbiotic microbes.
• C)They raise soil pH to liberate tightly bound minerals.
• D)They lower soil pH to liberate tightly bound minerals.

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Definitions:

Self-Motivated High Achievers

Self-motivated high achievers are individuals who show a high degree of drive and initiative, striving for success and excellence in their endeavors without the need for external motivation.

Immediate Feedback

Prompt and direct response or evaluation following an action, endeavor, or performance.

McClelland's Model

A psychological theory that identifies three primary motivators in people: the need for achievement, the need for affiliation, and the need for power.

Achievement Motivation

The drive or inner force that propels individuals toward attaining their goals and measuring their successes.