The Oxygen That Arose in Early Earthʹs Atmosphere Was Likely

question 64

Multiple Choice

The oxygen that arose in early Earthʹs atmosphere was likely produced by organisms that were very similar to modern

• A) algae.
• B) cyanobacteria.
• C) plants.
• D) fungi.
• E) protists.

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Definitions:

Heart Conduction

The process by which electrical signals are transmitted through the heart's cells, initiating its contraction and coordinating heartbeat.

Electrical Transmission

The process of conveying electricity over a distance, typically from a power plant to the consumer using transmission lines.

Hernia

The protrusion of an organ through the wall that usually contains it, such as a hiatal or inguinal hernia.

Muscle

Tissue in the body composed of fibers capable of contracting to produce movement or maintain the posture of the body.