A Plot of Points Representing the Rate of Inflation and the Unemployment

question 86

Multiple Choice

A plot of points representing the rate of inflation and the unemployment for the United States since 1953 reveals that

• A) there is an inverse relationship between the two variables.
• B) there does not appear to be any trade-off between the two variables.
• C) there is a positive relationship between the two variables.
• D) none of the above.

Understand the characteristics and limitations of preoperational thought, such as egocentrism and centration.

Identify the stages of Piagetian cognitive development and their defining features.

Recognize the concepts of conservation and classification as achievements in cognitive development.

Distinguish between different types of reasoning (intuitive, logical, abstract) across Piagetian stages.

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Definitions:

Gene Family

A group of genes sharing a common origin that typically encode proteins with similar functions.

Molecular Clock

A method used to determine time based on base pair substitutions. Molecular clocks use the rates of molecular change to deduce the divergence time between lineages in a phylogeny, for example. They work best when they can be “calibrated” with other markers of time, such as fossils with known ages and placements.

Synapomorphy

A trait that is shared by two or more taxa and their most recent common ancestor, used to infer evolutionary relationships.

Phylogenetic Methods

Techniques used in biology to infer the evolutionary relationships and history among different species or genes.