How Did the Production of Oxygen by Ancient Photosynthetic Microbes

question 27

Multiple Choice

How did the production of oxygen by ancient photosynthetic microbes change the course of evolution on Earth? (Select all that apply)

• A) Oxygen gas combined with UV light in the stratosphere to produce an ozone layer that shields Earth from the sun's excess UV rays.
• B) The presence of oxygen gas allowed for evolution of aerobic respiration.
• C) Oxygen is a greenhouse gas, which caused global warming to overcome the Ice Age and promote the survival of many organisms.
• D) Oxygen is toxic to the ancient anaerobic microbes, killing them off to prevent over-population of the planet.

Acquire knowledge on handling discrimination and harassment effectively.

Understand the benefits of being involved in campus life and community services.

Understand the differences between the inner and outer planets in our solar system.

Identify the closest astronomical objects to Earth.

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Definitions:

Interdisciplinary Team

A group of health care professionals from diverse fields working collaboratively to treat patients.

Care Plan

A documented approach outlining an individual's healthcare needs and the strategies to meet those needs, often used in chronic condition management.

Hip Replacement

A surgical procedure in which a diseased or damaged hip joint is replaced with an artificial joint or prosthesis to relieve pain and improve mobility.

Bed Rest

A medical recommendation to restrict activities and remain lying down for most of the day to promote healing or recovery.