Why is vulnerability to toxins so low during the germinal stage?
A) The functioning placenta cleanses the mother's blood of environmental toxins.
B) The mother's body produces antibodies to most environmental toxins.
C) Organogenesis is already complete prior to the germinal stage.
D) The embryo is not yet connected to the mother's bloodstream.
D
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Angel and Jolie are having a discussion about the politics of stem-cell research. Angel feels that it should be actively pursued in order to discover the cures to many medical conditions, while Jolie feels that stem cells should not be used to further human medical knowledge. If Angel says, "Well, you have the right to your own position, even if we disagree," she would be demonstrating that she
is at the ____ stage of reflective judgment. a. first b. third c. fifth d. eighth
The key factor in determining whether being born deaf will result in a delay in the acquisition of a theory of mind appears to be
a. how well parents are able to communicate with the child. b. whether the deafness was the result of fetal alcohol syndrome or rubella. c. the number of mirror neurons the child has in their cochlea. d. the use of signing by parents (which almost always results in a delay).
______ refers to the extent to which variation among people on a given characteristic is due to genetic differences.
A. Phenotype B. Genotype C. Reaction range D. Heritability
Estrus is caused by a release of which sex hormone into the bloodstream?
a. androgen b. noradrenaline c. oxytocin d. estrogen