What term is used to describe when concentrations of a harmful substance increase in organisms at higher trophic levels in a food chain or food web

• biodiversity

• biological magnification

• keystone species

Which trophic levels are at the highest risk because of biological magnification?

• carnivores

• producers

• herbivores

Tags

NGSS.HS-LS4-5

What is biological magnification?

• The increase in concentration of pollutants in organisms at higher trophic levels

• The process of organisms growing larger over time

• The spread of diseases in a population

• The increase in biodiversity in an ecosystem

Which of the following is a common pollutant involved in biological magnification?

• Carbon dioxide

• DDT

• Oxygen

• Nitrogen

Tags

NGSS.HS-LS4-5

How does biological magnification affect top predators in an ecosystem?

• They become immune to pollutants

• They accumulate higher concentrations of pollutants

• They are unaffected by pollutants

• They break down pollutants more efficiently

Tags

NGSS.HS-LS4-5

Which trophic level is most affected by biological magnification?

• Producers

• Primary consumers

• Secondary consumers

• Tertiary consumers

What is the primary cause of biological magnification?

• Natural disasters

• Industrial pollution

• Agricultural runoff

• Deforestation

Tags

NGSS.HS-LS4-5

Which of the following is an example of a substance that undergoes biological magnification?

• Water

• Mercury

• Glucose

• Oxygen

Tags

NGSS.MS-LS2-3

What role do humans play in biological magnification?

• They are unaffected by it

• They contribute to it through pollution

• They can reverse it by eating lower on the food chain

• They are the primary consumers affected by it

Tags

NGSS.HS-LS4-5

Which of the following best describes the impact of biological magnification on ecosystems?

• It increases biodiversity

• It stabilizes food chains

• It disrupts food chains

• It has no impact

Tags

NGSS.MS-LS2-3