Define pests. Why do we control them? Describe at least four types

What will be an ideal response?


Pests are "any organism that is noxious, destructive, or troublesome" to humans. Many pests are organisms that directly compete with humans. These pests consume food humans grow, gather, hunt, etc. We compete for the same food source. Some organisms are considered pests because they carry human diseases (e.g., mosquitoes, ticks, flies). Other pests bother us because they create messes (e.g., squirrels, raccoons, birds). Examples of pests include fungi, viruses, worms, snails, slugs, rats, mice, birds, and weeds.

Environmental & Atmospheric Sciences

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An example of a divergent plate boundary is a ____

a. volcanic island arc b. midoceanic ridge c. transform fault d. hot spot e. subduction zone

Environmental & Atmospheric Sciences

Which of the following is NOT a type or agent of physical weathering?

a. frost wedging b. fire c. plant roots d. salt crystal growth e. spheroidal weathering

Environmental & Atmospheric Sciences

Of the following types of mass movements, which can move fastest?

A. roots B. earth flow C. mudflow D. rock fall E. creep

Environmental & Atmospheric Sciences

For a neutrally-charged atom to become a positively-charged atom of the same element, it must ____

A)lose a proton B)lose an electron C)gain a proton D)gain a neutron E)form a covalent bond

Environmental & Atmospheric Sciences