Primary Consumers on Land Consume an Average of 13 Percent

question 226

Multiple Choice

Primary consumers on land consume an average of 13 percent of the biomass; in aquatic ecosystems, primary consumers consume about 35 percent.What does this say about aquatic ecosystems, compared with terrestrial ecosystems?

• A) Aquatic ecosystems have much higher trophic efficiencies.
• B) Aquatic ecosystems have much lower trophic efficiencies.
• C) Organisms in aquatic ecosystems need more food than those in terrestrial ecosystems.
• D) Organisms in aquatic ecosystems need less food than those in terrestrial ecosystems.
• E) Primary production in aquatic ecosystems far exceeds rates of herbivory.

Identify misconceptions and factual inaccuracies in the comparisons between scientific explanations for diversity and creation myths.

Understand the impact of cultural beliefs and narratives on the interpretation of biological phenomena.

Grasp the complexities involved in the interaction between biological adaptation and cultural processes.

Understand the concept and implications of fixed and variable costs in business operations.

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Definitions:

Value-Based Pricing

A pricing strategy where the price of a product or service is set based on the perceived value to the customer rather than the cost of production.

Useful Life

The estimated duration of time a fixed asset is expected to be useful and productive for its intended purpose.

Operating Costs

Daily operational costs of a business that do not encompass production-related expenses.

Water Purification System

A system designed to remove contaminants, impurities, and other harmful substances from water, making it safe for drinking and use.