Which type of lung cancer is the most aggressive form?
a. beta cell carcinoma
b. squamous cell carcinoma
c. large-cell carcinoma
d. adenocarcinoma
e. small-cell carcinoma
ANSWER: e
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Answer the following statements true (T) or false (F)
1. There are no parasitic crustaceans. 2. Each arm of the starfish differs internally, one being specialized for reproduction, another for respiration, a third for digestion, a fourth for the water vascular system, and the fifth for the nervous and circulatory systems. 3. Autotomy is the ability of an animal to lose a body part and subsequently regenerate it. 4. Echinoderms have an exoskeleton.
Polyphagous parasites feed on
A. any plant species. B. a single host species. C. many different host species. D. ectoparasites. E. parasitoids.
Methane can be produced from agricultural or industrial products by ________.
A. anaerobic respiration B. oxidation of nitrogen gas C. glycolysis D. fermentation
Your ________ is a measure of your impact on the environment based on the amount of greenhouse gases you emit
Fill in the blank(s) with correct word