Which Fish Would Be Most Likely to Contain High Levels

question 36

Multiple Choice

Which fish would be most likely to contain high levels of mercury?

• A)salmon
• B)catfish
• C)pollock
• D)shark

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Definitions:

Differential Reproduction

A process where individuals with certain traits reproduce more than others, leading to changes in genetic characteristics over generations.

Population Growth

The increase in the number of individuals in a population, influenced by birth rates, death rates, immigration, and emigration.

Thomas Malthus

An English economist and demographer, best known for his theory that population growth will always tend to outrun the food supply.

Mutation

Change in the nucleotide structure of an organism’s DNA.