The 24th week is often set as the legal upper limit for medical abortion. At this point in time, the milestone that is reached by the developing fetus is
a. the heart and circulatory system begin to function.
b. spontaneous movement is apparent for the first time.
c. sex differentiation and sex organ development is now completed.
d. the minimal age of viability has been reached.
D
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Sudden Infant Death Syndrome has no known cause, although there are theories and hypotheses. In a situation such as this, which of the following can we do?
a) make recommendations based on correlational data b) do experiments to determine the cause c) do nothing d) determine the cause based on correlations
Baillargeon concluded that infants as young as _____ were capable of understanding object permanence, by showing their surprise when a drawbridge passed through the path where they previously saw a box
a. 1 ½–2 ½ months old b. 2 ½–3 ½ months old c. 3 ½–4 ½ months old d. 4 ½–5 ½ months old