Biomagnification Quiz

What is biomagnification?

• The process by which water pollution decreases over time.

• The increase of concentration of a substance, such as a pesticide, in the tissues of organisms at successively higher levels in a food chain.

• The decrease of a substance's concentration as it moves up a food chain.

• The process by which organisms break down chemical substances.

Why are top predators, like eagles and lions, often more affected by biomagnification?

• They are more sensitive to pollution.

• They have a higher metabolic rate.

• They consume a larger variety of food.

• They are at the top of the food chain and consume organisms that have accumulated toxins.

What is one of the most famous cases of biomagnification?

• The spread of the common cold.

• The global increase in carbon dioxide levels.

• The biomagnification of DDT in birds of prey.

• The use of antibiotics in livestock.

How can biomagnification be reduced?

• By increasing the use of pesticides and chemicals in agriculture.

• By banning all forms of fishing and hunting.

• By using biodegradable and less persistent chemicals.

• By increasing the global temperature.

Tags

NGSS.HS-LS2-7

Number of individuals per unit area or volume.

• denisty

• dispersion

• survivorship

• immigration

Tags

NGSS.HS-LS2-2

New individuals move into a population.

• immigration

• emigration

• migration

• survivorship

Tags

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When individuals in a population move out or away.

• emigration

• immigration

• migration

• dispersion

Processes that add individuals to a population.

• birth and immigration

• death and emigration

Processes that remove individuals from a population.

• death and emigration

• birth and immigration

Tags

NGSS.HS-LS2-6

NGSS.HS-LS4-5

Why don't populations grow indefinitely?

• limiting factors

• only biotic factors

• only abiotic factors

• none of the above

Tags

NGSS.HS-LS2-6

NGSS.HS-LS2-1