Which of the Following Is TRUE

question 28

Multiple Choice

Which of the following is TRUE?

• A)Until recent history,extinctions have always happened gradually and on a small scale.
• B)The number of species existing at one time has decreased throughout history.
• C)Natural selection always favors complexity and a larger body size.
• D)Species on Earth today are just a fraction of all species that ever lived.
• E)Most organisms present early in Earth's prehistory were more complex than modern organisms.

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Definitions:

Psychoanalysis

A method of exploring the mind and treating mental disorders by interpreting the interaction between conscious and unconscious elements.

Josef Breuer

An Austrian physician whose work in the early study of the mind laid the foundation for psychoanalysis.

Hypnosis

A trance-like state of focused attention and increased suggestibility, often used for therapeutic purposes to treat various psychological and physical conditions.

Adoption Studies

Research investigations focusing on the resemblance between adopted children and their biological and adoptive parents to understand the influence of genetics versus environment.