During which stage do the cells of the developing organism begin to separate into the ectoderm, mesoderm, and endoderm?
A. Fertilized egg
B. Zygote
C. Embryo
D. Fetus
Answer: B
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Who suggested that dreams help us sort through possible solutions to everyday problems and concerns?
a. Ernest Hartmann b. Publilius Syrus c. Sigmund Freud d. William James e. Alan Rechtschaffen
High levels of _____ in male embryos and their low level in female embryos lead to differentiation of genital organs
a. androgens c. estrogen b. testosterone d. hormones
Common fears during the school years include
A) monsters and ghosts. B) acts of nature, such as thunder and lightning. C) family finances and college selection. D) poor academic performance and the possibility of personal harm.
Based on your understanding of applied behavior analysis (ABA), the most plausible reason that this treatment might be used less often to treat ASD than other therapies is that it is
A. too slow to take effect. B. less trusted by parents of children with the disorder. C. less effective on the core symptoms of the disorder. D. overly expensive.