When Did the Split Between the Later Australopithecines and the Ancestors

question 20

Multiple Choice

When did the split between the later australopithecines and the ancestors of Homo take place-when they became productively isolated from the later australopithecines?

• A) some 6 million years ago
• B) when Australopithecus garhi discovered fire
• C) They never split.
• D) some 4 million years ago
• E) sometime between 3 and 2 m.y.a.

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Definitions:

Syllogism

A form of deductive reasoning that consists of two premises followed by a conclusion, based on the relationship between the premises.

Mammals

Warm-blooded vertebrates characterized by the presence of mammary glands which females use to nourish their young.

Minor Term

In logic, specifically in syllogisms, the term that is the subject of the conclusion.

Syllogism

A form of deductive reasoning consisting of a major premise, a minor premise, and a conclusion, often structured in categorical logic.