Malcolm,a Single 23-Year-Old,has Moved Back into His Parents' House After

question 468

Multiple Choice

Malcolm,a single 23-year-old,has moved back into his parents' house after graduating from college so that he can afford to pursue a full-time graduate school program in business administration.His situation best illustrates a life phase called

• A)empty nest syndrome.
• B)a rite of passage.
• C)a midlife crisis.
• D)emerging adulthood.

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Definitions:

Chemicals

Substances with distinct molecular compositions that are used in or produced by chemical processes.

Resource Partitioning

A mechanism that allows different species to coexist in the same ecosystem by utilizing different resources, thereby reducing competition.

Brood Parasitism

One egg-laying species benefits by having another raise its offspring.

Competitive Exclusion

A principle stating that two species competing for the same limiting resources cannot coexist at constant population values, if other ecological factors remain constant.