8.7 P.O.P's video/quiz

1. What does the first "P" in POPs stand for?

• Pollutants

   

• Persistent

• Production

• Pollution

Why are persistent organic pollutants (POPs) harmful to ecosystems?

• They are easily broken down in the environment.

• They accumulate in organisms over time.

• They are beneficial for plant growth

• They have no effect on living organisms.

What characteristic of POPs allows them to build up in fat tissues?

• Water solubility

• Density

• Fat solubility

• Toxicity

Which of the following is an example of a persistent organic pollutant?

• Nitrates

• Carbon Dioxide

• Oxygen

• DDT

Which of the following sources is NOT associated with the introduction of POPs into the environment?

• Pharmaceutical production

• Organic farming

• Plastic production

• Incineration of waste

How can humans be exposed to POPs through the food chain?

•  
  Through contaminated animal products

• By consuming plants alone.

• Only by drinking water.

• By eating processed foods.

Where are perchlorates most likely to be found?

•  In agricultural fields

• In urban areas

• In freshwater lakes

• Near military facilities