A teratogen is any agent that
a. results in abnormal prenatal development.
b. enhances the flow of oxygen across the placental barrier.
c. decreases the chances of having a child with a genetic disorder.
d. inhibits the impact of drugs on the developing embryo.
Question 2
Orson is 13 years old and classified as overweight. Which statement is most likely to be true?
a. Orson is unpopular with his peers.
b. Orson has high self-esteem.
c. Orson has little risk for medical problems.
d. Orson has a faster-than-normal basal metabolic rate.
Amphibian development in the wood frog (Rana sylvatica)
Results from sequential study of two cohorts tested at three ages and at three different points in t
A sample flow sheet.
Drug development time line.
Tornado Formation: Supercell Tornado Development
Stages of Human Development