If There Is Life on Another Planet Within Our Galaxy

question 47

Multiple Choice

If there is life on another planet within our galaxy, why would we expect to learn that this life would probably use the same narrow range of wavelengths of the electromagnetic spectrum as we do for a source of energy and information?

• A)because all life must use the same electromagnetic spectrum by definition
• B)because of the fundamental aspects of photon energy and light absorption
• C)because this is the same wavelength that hits the Earth
• D)because there is no other wavelength available in nature

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Definitions:

Commensalism

A symbiotic relationship between two organisms where one benefits without harming or helping the other.

Co-operation

Working together towards common goals or mutual benefits, often involving sharing resources or coordinating efforts.

Competition

A biological interaction where individuals or species vie for the same resources, such as food or space, in an ecosystem.

Predation

The biological interaction where one organism, the predator, hunts and consumes another organism, the prey, as a means of obtaining energy and nutrients.