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The study of how humans grow, develop and change throughout the life span.
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Developmental Psychology
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A study in which the same group of participants is followed and measured at different ages, over a period of years
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Longitudinal Study
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A study that is less expensive and less time consuming in which researchers compare groups of participants of different ages to determine age related differences in some characteristics
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Cross-Sectional Study
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Development from conception to birth
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Prenatal Development
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What forms when conception occurs and the sperm fertilizes the ovum
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Zygote
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The developing human organism
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Embryo
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The stage during which the developing human organism forms all of the major body systems, organs, and structures and lasts from the beginning of week 3 through week 8
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Embryonic Stage
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The name for the developing human organism during the period from week 9 until birth
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Fetus
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Experiences rapid growth and further development of body structures, organs and systems.
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Fetus
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That stage that is 1 to 2 weeks after conception
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Germinal Stage
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The stage that is 3-8 weeks after conception
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Embryonic Stage
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The Stage that is 9 weeks to birth after conception
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Fetal
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The stage in which the zygote attaches to the uterine lining. At 2 weeks the zygote is the size of the period at the end of a sentence
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Germinal Stage
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The stage in which major systems, organs and structures of the body develop.
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Embryonic Stage
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This stage ends when the first bone cells appear
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Embryonic Stage
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