Genetic Resistance. Can be developed within 5-10 years by insects (much sooner in tropical areas). It is a developed immunity to pesticides that, through natural selection, can make the insects come back stronger. Weeds and plant disease organisms also develop this, but much more slowly. Tolerance Level
greenhouse definition: The definition of a greenhouse is a building made of glass panes in which heat and humidity can be regulated in order to grow plants. (noun) An example of a greenhouse is where vegetables can be grown when the outside weather is bel...
Definition of greenhouse gases (noun) form: only plural. gases such as carbon dioxide and methane that absorb infrared radiation which warms the atmosphere. Examples. The amount of greenhouse gases in the atmosphere is increasing because of use of fossil fuels and livestock farming.