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:

Interest Rates

The amount charged, expressed as a percentage of principal, by a lender to a borrower for the use of assets.

Aggregate Demand

The total amount of goods and services demanded in an economy at a given overall price level and in a given time period.

Price Level

A measure of the average prices of goods and services in an economy at a given time, indicating the cost of living or inflation rate.

Dividend Yield

An economic indicator demonstrating the ratio of a company's annual dividends to its stock price.