In Engelmann's 1882 Experiment, Why Did Bacteria Cluster in Areas

question 52

Multiple Choice

In Engelmann's 1882 experiment, why did bacteria cluster in areas of red or blue wavelengths of light?

• A)The bacteria used light of those wavelengths for photosynthesis.
• B)Algae photosynthesized most efficiently at those wavelengths, producing needed oxygen.
• C)The bacteria produced oxygen most efficiently using red and blue light.
• D)Algae photosynthesized most efficiently at those wavelengths, producing needed carbon dioxide.
• E)The bacteria were attracted to bright light.

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Definitions:

Objects

Items, physical entities, or data structures in programming that can be manipulated, or tangible materials of interest or use.

Fourth-Degree Burn

The most severe type of burn, affecting all layers of the skin and underlying tissues, possibly damaging muscles and bones.

Full Thickness Burn

A severe burn that extends through all layers of the skin, potentially affecting underlying tissues and requiring specialized medical treatment.

Third-Degree Burn

A severe burn characterized by the destruction of both the outer and underlying layers of skin, potentially affecting deeper tissues and causing significant scarring.