Ivan Pavlov Studied the Reflexive Flow of Saliva in Dogs

question 124

Multiple Choice

Ivan Pavlov studied the reflexive flow of saliva in dogs. He used meat powder or other food to trigger the salivation. It was later observed that the salivation in the dog was triggered even before the food was placed in its mouth. In this experiment, ________ was the unconditioned response.

• A) food
• B) thoughts of anticipation
• C) salivation
• D) the sight of the food dish

Identify the mechanisms and outcomes of various selection pressures (e.g., stabilizing, directional, disruptive).

Explain the inheritance patterns of specific traits and the role of heritability in evolution.

Discuss the genetic basis of morphology changes and adaptations in different species.

Understand the use of the quantitative trait locus (QTL) in studying phenotypic traits.

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Definitions:

Nuclear Family

A family unit typically consisting of two parents and their children, regarded as the basic social unit in many societies.

Divorce Act

Legislation that governs the legal process of divorce, outlining the conditions, procedures, and ramifications for legally dissolving a marriage between two parties.

1968

A significant year globally, marked by numerous major political and social upheavals, protests against the Vietnam War, civil rights movements, and student protests around the world.

Material Conditions

The physical and economic factors that influence how individuals live, work, and interact within a society, according to Marxist theory.