AP®︎ Environmental Science: Topic 8.8 Practice Test
Prepare for your quiz, test, or the AP exam with focused practice questions on Topic 8.8 of AP Environmental Science – Bioaccumulation and Biomagnification.
Questions List
Topic 8.8
Question 1 Easy
This question tests the following: STB-3.I
What is bioaccumulation?
What You’re Being Tested On:
Explore the learning objectives taken directly from the College Board’s AP® Environmental Science Curriculum. Ensure you’re prepared for the exact topics covered on the AP® exam, in-class tests, and quizzes, and gain confidence in your mastery of the material.

Topic 8.8: Bioaccumulation and Biomagnification
Learning Objective: STB-3.I
Describe bioaccumulation and biomagnification.
Essential Knowledge: STB-3.I.1
Bioaccumulation is the selective absorption and concentration of elements or compounds by cells in a living organism, most commonly fat-soluble compounds.
Essential Knowledge: STB-3.I.2
Biomagnification is the increase in concentration of substances per unit of body tissue that occurs in successively higher trophic levels of a food chain or in a food web.
Learning Objective: STB-3.J
Describe the effects of bioaccumulation and biomagnification.
Essential Knowledge: STB-3.J.1
Some effects that can occur in an ecosystem when a persistent substance is biomagnified in a food chain include eggshell thinning and developmental deformities in top carnivores of the higher trophic levels.
Essential Knowledge: STB-3.J.2
Humans also experience harmful effects from biomagnification, including issues with the reproductive, nervous, and circulatory systems.
Essential Knowledge: STB-3.J.3
DDT, mercury, and PCBs are substances that bioaccumulate and have significant environmental impacts.