An Explosion of Genetic Diversity Similar to That Which Occurred

question 84

Multiple Choice

An explosion of genetic diversity similar to that which occurred during the Cambrian Period hasn't happened recently, most likely because

• A) evolution of life on Earth is no longer occurring
• B) such an explosion can occur only for simple organisms and not complex ones
• C) there are no more ecological niches available to allow this to happen
• D) of the widespread presence of efficient predators that make it much more difficult for entirely new organisms to appear

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Definitions:

Permissible

Allowed or permitted within a set of rules, laws, or regulations.

Exculpatory Clause

A contract provision that relieves one party of liability if damages are caused during the execution of the contract.

Liability

A legal responsibility or obligation that may arise from any number of legal claims or is imposed by law.

Unconscionability

A contract or term within a contract that is so unjust or overwhelmingly one-sided in favor of the party who has the superior bargaining power.