The Event That Follows the Asymptotic Giant Branch (AGB) Phase

question 195

Multiple Choice

The event that follows the asymptotic giant branch (AGB) phase in the life of a low-mass star is

• A) the ejection of a planetary nebula.
• B) core collapse and a supernova explosion.
• C) helium flash and the start of helium fusion in the core.
• D) the onset of hydrogen fusion in the core.

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Definitions:

Gene Frequency

The ratio of a particular allele to the total of all other alleles of the same gene in a given population.

Convergent Evolution

The process where organisms not closely related independently evolve similar traits as a result of having to adapt to similar environments or ecological niches.

Predator Mobbing

A behavior exhibited by some prey species wherein individuals collectively harass or confront a predator, often to protect offspring or to drive the predator away from the area.

Phylogeny

The study and description of the evolutionary history and relationships among species or groups of organisms.