Coral Reefs Are Formed by

question 11

Multiple Choice

Coral reefs are formed by

• A) coral polyps and calcareous algae.
• B) shells and worm tubes.
• C) volcanic action and subsidence.
• D) coral polyps and calcareous algae and shells and worm tubes.
• E) coral polyps and calcareous algae, shells and worm tubes, and volcanic action and subsidence.

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Definitions:

Moral Obligation

A duty which arises from ethical or moral principles that govern a person's behavior and actions.

Utilitarian

Pertaining to the ethical theory that the best action is the one that maximizes utility, usually defined as maximizing happiness and reducing suffering.

Morally Acceptable

Actions or decisions that are considered right or ethical according to a moral code or ethical standards.

Advance Directive

A legal document allowing individuals to outline their preferences for medical treatment in the event they become unable to communicate their decisions.