Many Species of Snakes Lay Eggs

question 46

Multiple Choice

Many species of snakes lay eggs. However, in the forests of northern Minnesota where growing seasons are short, only live-bearing snake species are present. This trend toward species that perform live birth in a particular environment is an example of

• A) natural selection.
• B) sexual selection.
• C) species selection.
• D) goal direction in evolution.
• E) directed selection.

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Definitions:

Ageist Attitudes

Prejudiced thoughts and discriminatory actions based on stereotypes and misconceptions about age, particularly against the elderly.

Selective Optimization

A strategy focusing on optimizing development by selecting and enhancing the best personal or environmental resources while compensating for declines or losses.

Erik Erikson

Known for his work on human psychological development, he is a psychoanalyst and developmental psychologist.

Abraham Maslow

An American psychologist known for creating Maslow's hierarchy of needs, a theory of psychological health predicated on fulfilling inherent human needs.