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Pesticdes

A pesticide is a substance used to kill, control or repel a pest. Pesticides have disadvantages and advantages. They are able to control pests, but it can also kill other organisms as well. Not only do they affect animals but they can effect us, as humans.

It can get into drinking water as well as people's food. Research has proven that there are other, safer alternatives.

Pesticides have existed since the 1920's. These types of pesticides range from Acaricides which kill bugs mites and spiders too Rodenticides that kill rodents such as mice, rats, and moles. Other pesticides include Insecticides that kill insects, Avicides which kills off unwanted birds, Algaecides affecting and killing algae and Herbicides which effect weeds, wild grass and any other unwanted plant among a crop. Herbicides are the most used form of pesticide in Canada.

Pesticides have both disadvantages and advantages. Before pesticides were invented, entire crops were lost because of pests like locusts and disease. Now that pesticides exist farmers are able to spray entire crops for bugs, rodents or disease. The pesticides not only can be sprayed on quickly but are also very effective at killing insects , and any other pests. Some pesti


Pesticides can be found in baby food, and fruits and vegetables. Studies have shown that 50% of baby foods contain pesticides that can be harmful to ones baby.2 Since babies are 10 times more sensitive as an adult, pesticides effective them differently. In one pear there can be up to 5 different pesticides, if a baby consumes the pear it can have several side effects. Since a babies nervous system is sensitive to toxins it can be effected. Also, if a baby is exposed to pesticides early in its life it can cause hormonal and reproductive disorders. This side effect occurs because some pesticides contain the female hormone estrogen and tampers with other hormones in the body. Though, these cases are rare and the amount of pesticides found in baby food is very low it still should be brought into consideration.

A pesticide is usually applied directly on the soil, or onto seeds that have been planted. Either way pesticides come in contact with soil. Once on the soil things several things can happen to the pesticide. The pesticides can be washed below the soils surface and be taken up by plants through there roots where it is stored in the plant. When other animals eat the plant they store the pesticide that was in the plant in there own body.3 The pesticide can also accumulate and move downwards from leaching into the water table. These pesticides can cause several problems, animals and humans can drink t

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Approximate Word count = 956
Approximate Pages = 4 (250 words per page double spaced)


  

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