The greatest single cause of extinction is
a. destruction or modification of habitat
b. illegal hunting
c. climate change
d harsh winters
Answer: a. destruction or modification of habitat
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Environmental Science
- Any practice that removes pest's breeding or overwintering sites by removing crop leaves and stems, destroying alternate hosts, or pruning infested plant parts is known as
- Environmental contamination by agrichemicals can be decreased through several management practices, including
- Surveys have shown that more than _________ percent of U.S. counties have potential groundwater contamination from agrichemicals.
- The success of insects in terms of numbers and species is attributed to several characteristics, including their anatomy, development diversity, and
- Perennial weeds are capable of reproducing vegetatively by using
- The control method that makes use of mature insects that have been exposed to radiation to cause sterility is called
- An organism with six legs and three body segments is
- Which of the following is not a factor involved with the disease triangle
- Insects are beneficial for which of the following reasons
- Noxious weeds are often spread when seeds become airborne or
- Weeds can be considered undesirable for which of the following reasons
- Which one of the following classes of pests would be killed by rodenticide
- Which one of the following classes of pests would be killed by a nematicide
- Which one of the following classes of pests would be killed by an acaricide
- Which one of the following classes of pests would be killed by a fungicide
- Damage by pests to agricultural crops in the U.S. has been estimated to be ____________ of the total crop production potential.
- DDT was banned from use in the U.S> because it was determined that DDT was responsible for interfering with the reproduction of birds by
- The end result of the development and implementation of IPM programs since the 1970's has been to reduce the dependency on chemical use while
- After 1962, heavy reliance on chemical pest management began to be questions as a result of which of the following?
- During the period from 1940 to 1972, the United States moved to a major reliance on chemical pesticides. Alternate control strategies were deemphasized, because
- Before the 1940, pesticide were limited to elements and inorganic compounds such as
- Although neglected in the past, it is now known that no area of U.S. land is more important to wildlife than
- An organism with a low biotic potential
- Organisms that are in immediate danger of extinction are classified as
- Species that cannot adapt their behaviors or their diets to accommodate changes in their environment
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