Which of the Following Is NOT a Cell or Structure

question 113

Multiple Choice

Which of the following is NOT a cell or structure found in sponges?

• A)mesohyl
• B)choanocyte
• C)gastric cavity
• D)pore

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Definitions:

External Costs

Costs that are not borne by the producers or users of a product or service, but by society or the environment.

Polluting Firms

Companies that release harmful substances into the environment as a byproduct of their production processes.

Emissions Standards

Emissions standards are government-imposed limits on the amount of pollutants that can be emitted by vehicles and other sources, to protect environmental and public health.

Marginal Social Benefit

The supplementary advantage to society from the production or utilization of an additional unit of a product or service.