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Feldman Module 25

Nature, Nurture & Prenatal Development

What is a zygote? The new cell formed by the union of an egg and sperm.
What is an embryo? A developed zygote that has a heart, a brain, and other organs.
What is a fetus? A developing individual, from eight weeks after conception until birth.
What are teratogens? Environmental agents such as a drug, chemical, virus, or other factor that produce a birth defect.
What is age of viability? The point at which a fetus can survive if born prematurely.
What is longitudinal research? A research method that investigates behavior as participants age.
What is the nature-nurture issue? It asks how and to what degree environment and heredity produce their joint effects.
What are identical twins? Twins who are exactly the same genetically.
What is cross-sectional research? A research method that compares people of different ages at the same point in time.
Created by: CCLB_MT