The Most Fundamental Grouping in the Classification of Living Organisms

question 67

Multiple Choice

The most fundamental grouping in the classification of living organisms is the ____. ​

• A)class
• B)genus
• C)family
• D)order
• E)species

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Definitions:

Anal Stage

A phase in Freudian psychosexual development, typically between ages 18 months and 3 years, where the child's focus is on controlling bladder and bowel movements.

Psychosexual Development

A theory proposed by Sigmund Freud that describes how personality develops during childhood through various stages centered around the libido's focus on different body parts.

Toilet Trained

Refers to the process by which young children learn to use the toilet for urination and defecation independently.

Psychosexual Stages

Freud's theory that children pass through a series of stages centered on erogenous zones, with successful navigation key to personality development.