This question has been answered
Question

Human development and growth.

Why is it difficult to determine the prenatal effects of many environmental agents (teratogens), such as drugs, alcohol, and pollution? (Teratogens: The term teratogen refers to any environmental agent that causes damage during the prenatal period. The harm done by teratogens is not always simple and straightforward. It depends on the following factors: ● Dose. Larger doses over longer time periods usually have more negative effects. ● Heredity. The genetic makeup of the mother and the developing organism plays an important role. Some individuals are better able than others to withstand harmful environments. Other negative influences. The presence of several negative factors at once, such as additional teratogens, poor nutrition, and lack of medical care, can worsen the impact of a harmful agent. ● Age. The effects of teratogens vary with the age of the organism at time of p. 66), and how does the COVID-19 affect pregnancy and developing fetus?  

Answered by Expert Tutors
Step-by-step explanation
The student who asked this found it Helpful
Overall rating 100%
Subject: Biology, Science
Human development and growth. Why is it difficult to determine the prenatal effects of many environmental agents (teratogens), such as drugs,
Get unstuck

303,122 students got unstuck by Course
Hero in the last week

step by step solutions

Our Expert Tutors provide step by step solutions to help you excel in your courses