A High-Oxygen Content and a Low-Nutrient Content in Surface Seawater

question 109

Multiple Choice

A high-oxygen content and a low-nutrient content in surface seawater indicate that a population of ______ are present.

• A) animals
• B) phytoplankton
• C) bacteria
• D) decomposers
• E) None of these are correct; they indicate no life presence.

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Definitions:

Amplitude

In regards to sound, the magnitude or height of a wave signal, reflecting the volume or loudness.

Vibrations

Oscillatory motions or forces, which in a medical context, may refer to tactile sensations used in diagnostic examinations to assess nerve function or somatosensory response.

Eustachian Tube

A tube that connects the middle ear to the nasopharynx, helping to equalize pressure on both sides of the eardrum.

Ear Infections

Inflammation or infection in the ear, often caused by bacteria or viruses, leading to symptoms such as earache, fever, and hearing problem.