The Next Few Questions Refer to the Following Evolutionary Tree

question 30

Multiple Choice

The next few questions refer to the following evolutionary tree, whose horizontal axis represents time (present time is on the far right) and whose vertical axis represents morphological change.

-Which of these five species originated earliest and appeared suddenly in the fossil record?

• A) V
• B) W
• C) X
• D) Y
• E) Z

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Definitions:

Classification

The systematic process of organizing or categorizing items, ideas, or information based on shared characteristics or principles.

Piaget's Conservation Task

A type of task designed by Jean Piaget to assess a child's ability to recognize that certain properties of objects remain the same even when their appearances change.

Decentration

The cognitive ability to consider multiple aspects of a situation instead of focusing on a single viewpoint, a concept often discussed in developmental psychology.

Conservation of Number

A concept in cognitive development that reflects a child's ability to understand that the quantity of a set of items remains the same regardless of how they are arranged.