Controlling or Reducing the Harmful Impacts of Tree Diseases and Insect

question 84

Multiple Choice

Controlling or reducing the harmful impacts of tree diseases and insect pests on forests can be accomplished by all of the following except

• A)introducing nonnative predators for the insects
• B)banning imported timber that might carry new diseases or insects
• C)developing genetically resistant tree species
• D)applying conventional pesticides
• E)using biological controls such as predaceous local bugs

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Definitions:

Bloodstream

The flowing blood within the circulatory system of a body, transporting oxygen, nutrients, and waste materials to and from the cells.

Acidic

Refers to substances with a pH less than 7, which are characterized by their sour taste and ability to turn blue litmus paper red.

Pleural Membranes

Thin layers of tissue that envelop the lungs and line the interior wall of the chest cavity, facilitating smooth movement of the lungs during breathing.

Ventilation

The process of moving air in and out of the lungs to facilitate gas exchange with the internal environment, particularly to remove carbon dioxide and bring in oxygen.