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In the North Pacific Ocean, Two Groups of the Same

question 26

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In the North Pacific Ocean, two groups of the same species of killer whales (Orcinus orca) appear to be forming two different species based on what they eat. One group eats fish and the other eats mammals such as seals. Scientists can tell what they eat based on their teeth, because whales that feed on fish have significantly different wear patterns.
-Which of the following describes the type of speciation event that is occurring in these whales?


Definitions:

Praxiteles

An ancient Greek sculptor, noted for his work in marble, particularly his depictions of the human form with graceful, flowing lines.

Aphrodite of Knidos

An ancient Greek sculpture by Praxiteles, depicting Aphrodite in a moment of modesty, celebrated as one of the first major works to represent the female nude in a life-sized form.

Female Nude

An artistic representation of a woman's body in its nakedness, often associated with historical and contemporary art.

Gigantomachy

In ancient Greek mythology, the battle between gods and giants.

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