Exam 13: Pests and Pest Control

Pesticide regulations such as those in FIFRA and FQPA address concerns about the safety of those applying the pesticides,pesticide residues on food,and the effects of pesticides on

Despite widespread use of insecticides and herbicides,infestations of insects,plant pathogens,and weeds currently cause a loss of about

Suffering the impact of swarms of locusts,a farmer uses an airplane to spray an insecticide over 1,500 acres of his corn field.This farmer is trying to address this pest problem by using

The evolution of pesticide resistance,resurgence,and secondary-pest outbreaks are only some of the problems that result from reliance on

Pesticide resistant insects develop from the widespread use of insecticides because

Compared to persistent pesticides,nonpersistent pesticides are

Indonesia has become a model for other rice growing nations because

A promising alternative to toxic pesticides to reduce the billions of dollars damage done by marine biofouling organisms is

The best way to avoid the evolution of pesticide resistance is to

The spread of Integrated Pest Management (IPM)continues because

Chronic pesticide exposure has been clearly linked to

Pesticide resistance against one pesticide

-The sick tomato plant in this figure is devastated by tomato wilt,a type of fungus that infects the soil with spores and returns every year to attack more tomato plants.One effective way to combat this fungus using ecological/cultural pest control is to

Because of biomagnification,the most toxic organisms in any ecosystem will be the

Today the best approach to fighting malaria in developing countries primarily relies on the

Many synthetic organic chemicals are concentrated in the fat of carnivores because

-If you see this symbol on a package of food,you know that the product

The use of pesticides crosses the economic threshold when the cost of

The local health department is trying to limit the spread of West Nile virus in a suburban community.West Nile Virus is spread by mosquitoes as they feed.In newspapers and on the radio,people in the region are told to drain standing water from any places where mosquitoes might breed.In addition,the health department announces that in a week,they will begin spraying a fog of mosquito poison in the early evening,as soon as the sun sets and mosquitoes become most active.The approach taken by this health department best represents

Raising young children who crawl about the floor,Mom does not want to spray chemicals of any sort in or around the home.However,she is well aware of West Nile virus spread by mosquitoes and Lyme disease spread by ticks.Therefore,Mom decides to take a different strategy.Carefully examining and repairing the window screens,window enclosures,and doorways,she closes up any cracks or tears where bugs might get in.This loving mother is protecting her children by using