Suppose You Explored a New Planet and Found a Photosynthetic

question 27

Multiple Choice

Suppose you explored a new planet and found a photosynthetic organism unlike any on Earth. You repeat Engelmann's classic experiment using this new organism in place of Spirogyra and find that oxygen-dependent bacteria cluster near the green and yellow portions of the spectrum. What does this tell you?

• A) The sun of this new planet emits different wavelengths of light than our own.
• B) This new organism is using yellow and green light to drive photosynthesis.
• C) This organism appears green, just like plants on Earth.
• D) This organism utilizes the most energy-rich photons of the spectrum.
• E) This new organism is using blue and red light to drive photosynthesis.

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Definitions:

Grown Children

Adults who have reached maturity but are referenced in relation to their parents, highlighting ongoing familial bonds despite adulthood.

Marital Relationship

The emotional, physical, and social bond between two individuals in a legally and socially recognized union.

Happiness

A state of well-being characterized by emotions ranging from contentment to intense joy.

Crystallized Intelligence

The ability to use learned knowledge and experience, which typically increases or remains stable over a person's lifetime.