While Viewing a Picture of a 3-Week-Old Embryo, Dr

question 21

Multiple Choice

While viewing a picture of a 3-week-old embryo, Dr. Pecoraro points to something and says, "This flat structure will soon become a tube from which the brain and spinal cord will develop." Dr. Pecoraro is pointing at

• A) the neural plate.
• B) the corpus callosum.
• C) the frontal cortex.
• D) an axon.

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Definitions:

Gene Investment Theory

A theory suggesting that individuals are predisposed to invest resources and efforts into offspring and relatives to ensure the transmission of their genes to future generations.

New Orleans

A major United States port and the largest city in Louisiana, known for its distinct music, Creole cuisine, unique dialects, and annual celebrations and festivals, most notably Mardi Gras.

Evolution

Evolution is the process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.

Helping Behaviors

Acts performed with the intention of benefiting or assisting others without necessarily expecting something in return.