Because All the Stars in a Cluster Begin Forming at the Same

question 103

Multiple Choice

Because all the stars in a cluster begin forming at the same time, the stars arrive on the main sequence at

• A) the same time.
• B) different times; more massive stars arrive first.
• C) different times; less massive stars arrive first.
• D) different times; later spectral types (G, K, M) arrive first.

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Definitions:

Classical Conditioning

is a learning process that occurs through associations between an environmental stimulus and a naturally occurring stimulus, first described by Ivan Pavlov.

Genetic Blueprint

The set of genetic instructions encoded in DNA that defines the characteristics of an organism.

Maturation

The process of development in which an individual matures or reaches full functionality, often used to describe the physical and psychological growth that occurs naturally with age.

Habituation

Tendency of the brain to stop attending to constant, unchanging information.