Question 1

What is biological magnification?(Or biomagnification)

Accepted Answer

The increase in the concentration of harmful compounds as you travel up the food chain

Question 2

Why do farmers use pesticides and insecticides?

Accepted Answer

To protect their crops which are our food source

Question 3

Which animals have the greatest concentrations of harmful compounds in their bodies?

Accepted Answer

Animals at the end of the food chain (Shorebirds which eat large amounts of fish are at very high risk)

Question 4

How does the accumulation of pesticides like DDT affect shorebirds?

Accepted Answer

It weakens the shell of their eggs and prevents them from reproducing

Question 5

Why is deforestation such a big problem?

Accepted Answer

Cutting down trees destroys many animals' only habitat which leads them to extinction

Question 6

What do fossil fuels release into the air when they are burned?

Accepted Answer

Greenhouse gases

Question 7

What are the primary examples of fossil fuels?

Accepted Answer

Oil, coal, natural gas, and gasoline

Question 8

How do greenhouse gases affect air temperatures?

Accepted Answer

Greenhouse gases trap heat in the atmosphere causing higher air temperatures

Question 9

What is the most common greenhouse gas?

Accepted Answer

Carbon Dioxide(CO2)

Question 10

What is global warming?

Accepted Answer

The increase in air temperatures caused by greenhouse gases (Greenhouse gases come from fossil fuels)

Question 11

What is caused by the nitrogen and sulfur compounds released from fossil fuels?

Accepted Answer

Acid Rain

Question 12

Why is acid rain so harmful to a plant community?

Accepted Answer

Acid rain lowers the pH of the soil which can harm plants

Question 13

Why is adding heat to lakes and streams considered pollution?

Accepted Answer

Heat causes there to be lower oxygen levels in the water which will kill fish

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