If the Most Pessimistic Assumptions in the Drake Equation Were

question 28

Multiple Choice

If the most pessimistic assumptions in the Drake equation were true,we would:

• A) have to wait for approximately 60 million years to get a message back from the nearest intelligent life.
• B) have to wait for approximately 400 years to get a message back from the nearest intelligent life.
• C) be the only intelligent life in the universe.
• D) need to concentrate on the Andromeda Galaxy when searching for intelligent life.

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Definitions:

Endangered Species Act

A law enacted to protect critically endangered species from extinction as a consequence of economic growth and development untempered by adequate concern and conservation.

In Situ Conservation

Conservation methods that preserve species in their natural habitats to ensure biodiversity.

Endangered Species List

A register maintained by various organizations that catalogues animal and plant species considered to be at risk of extinction.

In Situ Conservation

Conservation methods that protect the genetic material of endangered species in their natural habitat, without moving them to new locations.