As a Main-Sequence Star Burns Its Core Supply of Hydrogen,what

question 60

Multiple Choice

As a main-sequence star burns its core supply of hydrogen,what happens?

• A) Helium begins to fuse throughout the core.
• B) Helium fuses in a shell surrounding the core.
• C) Helium fusion takes place only at the very center of the core,where temperature and pressure are highest.
• D) Helium builds up as ash in the core.

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Definitions:

Mate Guarding

Efforts to prevent one’s sexual partner from mating with someone else in order to avoid the costs of rearing offspring that do not help to propagate one’s genes.

Propagate Genes

The process of passing genetic information from one generation to the next through reproduction.

Rearing Offspring

The process of raising and nurturing young, including aspects of feeding, protection, and teaching, typically observed in humans and animals.

Evolutionary Perspective

An approach in various disciplines that examines how evolutionary theory explains human behaviors, traits, and societal structures.