How Many Types of Organisms Supply the Global Population with 90

question 69

Multiple Choice

How many types of organisms supply the global population with 90% of its food? 

• A) about 52 
• B) about 32 
• C) about 22 
• D) about 12

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Definitions:

Hardest Tasks

Tasks or challenges that are perceived as extremely difficult or demanding in terms of effort, skill, or resources required.

Delay Gratification

The ability to resist the temptation for an immediate pleasure in favor of a later, often greater, reward.

Need for Achievement

A psychological drive that motivates individuals to pursue and attain goals, often pushing them to succeed in challenging tasks or environments.

Incentive Value

The perceived worth or desirability of a reward or outcome, which motivates behavior directed towards achieving that outcome.