What Kind of Organisms Likely Perished Due to the Increase

question 62

Multiple Choice

What kind of organisms likely perished due to the increase of oxygen in the atmosphere three billion years ago?

• A) heterotrophs
• B) cyanobacteria
• C) obligate aerobes
• D) obligate anaerobes
• E) facultative anaerobes

Understand the factors influencing the determination of school health education priorities.

Recognize the importance of decision-making skills in health education.

Identify the role of Healthy People 2020 in setting health education topics.

Acknowledge the influence of community interests, including parents and students, on health education priorities.

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Definitions:

Depressant

A substance that reduces the functional or nervous activity, often used to describe drugs that inhibit the central nervous system, leading to sedation or relaxation.

Alcohol

A psychoactive substance commonly found in beverages like beer, wine, and spirits, known for its intoxicating effects.

Central Nervous System

The part of the nervous system consisting of the brain and spinal cord, responsible for processing and transmitting information in the body.

Depressant

A substance that slows down the nervous system and can lead to decreased alertness, often used to treat insomnia, anxiety, or other mental health conditions.