Why Do Ecologists Say That Earth Is a Closed System

question 54

Multiple Choice

Why do ecologists say that Earth is a closed system for matter?

• A)because there are no new inputs of matter
• B)because there is no net loss of matter
• C)because matter cycles in and out of organisms in ecosystems
• D)because matter stays in the biosphere
• E)All of the answer choices are correct.

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Definitions:

Esteem

The regard in which an individual or entity is held, typically in terms of admiration or respect.

Incentive Approaches

Strategies or methods that utilize rewards or incentives to motivate behavior or performance.

Inherited

Traits, characteristics, or conditions passed down from parents to offspring through genes.

Internal Stimuli

Stimuli that originate from within an organism, including hunger, thirst, pain, and emotion, influencing behavior and perception.