Why Do Populations Grow More Slowly as They Approach Their

question 40

Multiple Choice

Why do populations grow more slowly as they approach their carrying capacity?

• A) Density-dependent factors lead to fewer births and increased mortality.
• B) Density-independent factors lead to fewer births and increased mortality.
• C) Hormonal changes promote higher death rates in crowded populations.
• D) Individuals voluntarily stop mating so that overcrowding does not occur.
• E) The incoming energy decreases in populations experiencing a high rate of increase.

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Definitions:

Culturette

A sterile swab or collection device used for obtaining specimens from the body, often for microbiological culture.

Lowenstein-Jensen (L-J) Slant

A growth medium used in microbiology to culture and isolate Mycobacteria, especially Mycobacterium tuberculosis.

Acid-Fast Stain

A laboratory staining technique used to detect bacteria that are not decolorized by acid-alcohol, like Mycobacterium tuberculosis.

Primary Dye

A dye used initially in a staining procedure that provides the main coloration for microscopic tissue examination.