Which of the Following Attributes Is Not True for Both

question 2

Multiple Choice

Which of the following attributes is not true for both arthropod exoskeletons and mollusc shells?

• A)They completely replace the hydrostatic skeleton.
• B)They provide protection from predators.
• C)They help retain moisture in terrestrial habitats.
• D)None of the above answers apply.

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Definitions:

Marginal Cost

The expense incurred from the manufacture of an extra single unit of a product or service.

Opportunity Cost

The expense incurred from not choosing the second-best option available during decision-making.

Marginal Cost

The swell in aggregate expenditure due to the production of an additional unit of a product or service.

Environment Pollution

The contamination of the natural environment by harmful substances or activities, leading to adverse effects on ecosystems and human health.