Some Planktonic Cyanobacteria Have the Ability to "Fix" Which of the Following

question 88

Multiple Choice

Some planktonic cyanobacteria have the ability to "fix" which of the following elements thus having a fertilizing effect on the marine environment similar to the ability of the land plants legumes?

• A) Oxygen
• B) Helium
• C) Hydrogen
• D) Nitrogen

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Definitions:

Experiments

Systematic procedures carried out to test hypotheses, observe effects, and study relationships between variables.

Secondary Research

The process of gathering existing data from previously conducted studies and analyses, which are available in books, articles, and online resources.

Ethnographic Research

A qualitative research method focusing on the systematic study of cultures and peoples through observation and participatory involvement.

Purpose Statement

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