In Clackamas, Oregon, a Stand of Hybrid Poplar Trees Was

question 8

Multiple Choice

In Clackamas, Oregon, a stand of hybrid poplar trees was planted on an area of land that is contaminated with volatile organic compounds (VOCs) . Why would someone purposely plant trees in an area with contaminated soil?

• A) to use the trees as a means of phytoremediation
• B) to use the trees as a means of eliminating insect species that consume nearby endemic plants
• C) to use the trees for lumber for houses
• D) to see if animals will make nests in trees that grow in contaminated soil.

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Definitions:

Leukocytes

White blood cells that are part of the immune system, protecting the body against both infectious disease and foreign invaders.

Thrombocytes

Thrombocytes, also known as platelets, are blood cells involved in hemostasis, leading to the formation of blood clots in response to bleeding.

Immunoglobulin

A type of protein functioning as an antibody, produced by the immune system to combat pathogens.

Antigen

A substance that induces an immune response in the body, especially the production of antibodies.