Which Statement Is NOT a Characteristic of Elliptical Galaxies

question 371

Multiple Choice

Which statement is NOT a characteristic of elliptical galaxies?

• A) Elliptical galaxies are almost devoid of interstellar gas and dust.
• B) Almost all star formation stopped in elliptical galaxies billions of years ago.
• C) Different elliptical galaxies appear to be flattened by different amounts.
• D) Elliptical galaxies have a disk and a central bulge but no spiral arms.

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Definitions:

Discrimination Learning Stages

The phases through which an organism passes when learning to respond differently to various stimuli, improving its ability to differentiate between them.

Hull And Spence

Psychologists Clark L. Hull and Kenneth Spence are known for their contributions to behaviorist theory, especially regarding motivation and learning processes.

Stimulus Generalization

the tendency for the conditioned response to be elicited by stimuli that are similar but not identical to the conditioned stimulus.