How Many of the 500 Fish Species Called Cichlids, Found

question 106

Multiple Choice

How many of the 500 fish species called cichlids, found in African Lake Victoria, have gone extinct since 1980?

• A)10
• B)50
• C)100
• D)150
• E)200

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Definitions:

Preoperational

Describes a stage in Piaget's theory of cognitive development where children from 2 to 7 years old engage in symbolic play and struggle with logic and understanding others' perspectives.

Concrete Operational

A stage in cognitive development where children can think logically about concrete events.

Formal Operational

The stage in Jean Piaget's theory of cognitive development where individuals are able to think abstractly and reason logically.

Stranger Anxiety

A form of distress that children experience when exposed to strangers, typically emerging around 6 to 12 months of age.