Fossil Evidence Indicates That the First Members of the Genus

question 56

Multiple Choice

Fossil evidence indicates that the first members of the genus Homo arose approximately ________ years ago.

• A)2 million
• B)200,000
• C)500,000
• D)1 million

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Definitions:

Designer DNA

Refers to genetically engineered DNA sequences created through biotechnological methods to alter traits in organisms, including humans.

Environmental Degradation

The deterioration of the natural environment through depleting resources, destroying ecosystems, and polluting air, water, and land.

Rate of Extinction

The speed at which species are disappearing from Earth, often measured over a certain time frame.

Natural Rate

An economic concept referring to the level of unemployment, interest, or growth that exists without interference in a free market.