In the Search for Intelligent Life, Why Do Scientists Tend

question 66

Multiple Choice

In the search for intelligent life, why do scientists tend to assume that its biochemistry is more likely to be based on the element carbon than on any other element?

• A) Carbon is the most versatile element, combining with the largest number of other elements in many different ways to produce long-chain molecules.
• B) Carbon is the only element that can combine into ring-shaped molecules, which is the shape of life-form molecular structure.
• C) Carbon releases far more energy than do other similar atoms when it combines with other elements, a process that is essential for the support of life.
• D) Scientists expect that life will mimic that on the surface of Earth, which is carbon-based.

Understand incomplete dominance and codominance.

Interpret pedigrees to trace inheritance patterns, including autosomal dominant and recessive traits.

Distinguish between different forms of genetic variability such as mutations and polymorphisms.

Apply knowledge of genetics to solve problems related to genetics counseling scenarios.

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Definitions:

Economic Wants

Desires that can be satisfied through the consumption of goods and services, reflecting the unlimited and varying needs and wishes of consumers.

Insatiable

An unending and intense desire for more, often used to describe human wants and needs that cannot be fully satisfied.

Products And Services

Tangible goods that are manufactured and sold to consumers, and intangible activities provided to satisfy consumer needs or wants, respectively.

Scarcity

A fundamental economic problem of having seemingly unlimited human wants in a world of limited resources.