Why is it so difficult to control or eradicate invasive species?
A. Common herbicides will not kill invasive species.
B. Removing invasive species manually is time-consuming and difficult.
C. Introducing new predators or diseases can be done without affecting the other living organisms in the area.
D. Drying them out or depriving them of oxygen can be done without affecting the other living organisms in the area.
E. All of the above make it fairly easy to eradicate invasive species.
Answer: B. Removing invasive species manually is time-consuming and difficult
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The DTaP vaccine contains
A) purified bacterial DNA. B) bacterial endotoxin derivatives. C) heat-killed Bordetella pertussis cells. D) diphtheria toxoid.
AIDS stands for ____
a. Acquired Immune Deficiency Syndrome b. Accelerated Immune Death Syndrome c. Accentuated Induced Deficiency Syndrome d. Advantageous Immunity Deficiency Syndrome e. Acquired Immuno Defense Syndrome
DNA is now often used as evidence in criminal trials. It is particularly useful because it can be found in
a) saliva b) blood c) hair d) dead skin cells e) all of the above answer choices are correct
Which of the following is NOT part of the inflammatory response?
A) Localized tissue swelling B) The release of histamine C) Migration of phagocytes to the site of injury D) The release of antibodies E) Elevated body temperature