Aerobic Organisms First Started Building Up Oxygen in the Earth's

question 50

Multiple Choice

Aerobic organisms first started building up oxygen in the Earth's atmosphere around

• A) 4.6 billion years ago
• B) 3.5 billion years ago
• C) 4.0 billion years ago
• D) 2.5 billion years ago

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Definitions:

Phallic Stage

In Freudian psychoanalysis, a period of psychosexual development in children around ages 3 to 6, characterized by an attachment to the parent of the opposite sex.

Oral

Pertains to the mouth; often used to describe activities involving the mouth, such as oral communication or oral hygiene.

Latency

Latency in psychology can refer to the period of time from a stimulus until a response is observed, or in development, a phase in childhood when sexual feelings are dormant.

Superego

The component of the personality in psychoanalytic theory that represents internalized societal standards, ethics, and morals.