Which Group Possess Excretory Structures Known as Protonephridia

question 47

Multiple Choice

Which group possess excretory structures known as protonephridia?

• A)flatworms
• B)earthworms
• C)insects
• D)vertebrates
• E)cnidarians

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Definitions:

Primary Process

This term refers to the initial, unconscious way the mind operates to fulfill desires and satisfy basic needs through immediate gratification, according to Freudian psychology.

Secondary Process

In psychoanalytic theory, it refers to the rational and conscious thought processes involved in problem-solving and decision-making.

Ego

A component of Sigmund Freud's psychoanalytic theory, representing the rational part of the personality which mediates between the desires of the id, moral demands of the superego, and the realities of the external world.

Superego

In psychoanalytic theory, the part of the personality that acts as the moral center, guiding behavior to conform with societal norms and values.