How Is Length of Time for Speciation Estimated

question 8

Multiple Choice

How is length of time for speciation estimated?

• A) genetic evidence indicates that species originate
• B) time that elapses when populations of a newly formed species diverge
• C) time it takes for speciation to be complete
• D) speciation precedes divergence

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Definitions:

Main-Purpose Rule

A legal principle that if the main purpose of a guarantor to sign a surety agreement is to secure a personal benefit, the agreement does not have to be in writing to be enforceable.

Secondary Obligation

An obligation that arises indirectly or as a result of another primary obligation, often in legal or financial contexts.

Statute of Frauds

A legal concept that requires certain types of contracts to be written and signed to be enforceable.

Statute of Frauds

A legal concept that requires certain types of contracts to be executed in writing and signed by the party against whom enforcement is sought, to be legally enforceable.