⭐14.2&14.3 Mastery Check

Match the following

• Bioaccumulation

• Increase in concentration of certain stable chemicals in successively higher trophic levels of a food chain

• Biomagnification

• Resistance of chemical compounds to degradation

• Persistence

• The selective absorption and concentration of molecules by cells

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EN.ESS3.2

Pesticides that break down quickly in the environment are called

• nontarget pesticides.

• nonpersistent pesticides.

• insecticides

• persistent pesticides.

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EN.ESS3.2

DDT

• was a persistent pesticide

  
  

• affected insects but had little effect on humans

• became highly concentrated in carnivorous fish and birds

• All of the statements are correct.

• None of the statements are correct.

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EN.ESS3.2

A perfect pesticide would have which of the following characteristics? (Check all that apply)

• • Have a long half-life

• Break down into harmless materials

• Be inexpensive

• Only effect the target organism

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EN.ESS3.2

The use of the same insecticide or herbicide over several years

• causes the soil to accumulate the pesticides.

• causes the price to rise because the demand is high.

• selects for pests that can resist the pesticides.

• None of the statements is correct.

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EN.ESS3.2

Which of the following are problems associated with the use of pesticides? (Check all that apply)

• Impacts on human health

• Effects on non-target organisms

• Persistence in the environment

• Pesticide resistance

• Bioaccumulation and biomagnification in food webs

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EN.ESS3.2

Match the following

• Insects

• Fungicide

• Rats and Mice

• Insecticide

• Weeds

• Herbicide

• Fungi

• Rodenticide

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EN.ESS3.2

Biomagnification occurs most commonly in which organisms?

• predator fish

• birds of prey

• carnivores

• All of these statements are correct

• None of these statements are correct

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EN.ESS3.2

Pesticide resistance is

• accumulation of pesticides in fatty tissues.

• the death of individuals of a nontarget species.

• pesticide tolerant individuals who survive and reproduce, which makes the pesticide less effective for future pest generations.

• only effective to control rodents.

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EN.ESS3.2

Pesticides, primarily herbicides and insecticides, are widely used in agriculture because

• they allow farmers to spend less time and money to till the soil.

• they reduce crop loss to weeds and insects.

• they increase the amount of food produced.

• All of the statements are correct.

• None of the statements are correct.

Tags

EN.ESS3.2