Global climate change is likely to increase the rate of extinction worldwide. What pollutant is most implicated in this problem?
A) nitrous oxides
B) carbon dioxide
C) sulfur dioxides
D) chlorofluorocarbons
B
You might also like to view...
If both homologous chromosomes of each pair exist in the same nucleus, that nucleus is
(a) diploid. (b) unable to undergo meiosis. (c) haploid. (d) none of the above.
Match the following items with the correct phrases.
_______1. Because the ____________________ of antimicrobial susceptibility testing uses large numbers of test tubes, this method is impractical for use in the Clinical Microbiology Laboratory. _______2. The ____________________ of antimicrobial susceptibility testing is also known as the “Kirby-Bauer method.” _______3. The ____________________ of antimicrobial susceptibility testing is considered to be the “gold standard.” _______4. In the United States, the ____________________ is currently the most popular method for performing of antimicrobial susceptibility testing. _______5. Agar plates are used in both the agar dilution method and the ____________________ of antimicrobial susceptibility testing. a. agar dilution method b. disk-diffusion method c. macro broth dilution method d. micro broth dilution method
Mycorrhizae are especially effective in helping plant roots uptake
A. nitrogen. B. phosphorus. C. potassium. D. iron. E. magnesium.
The liver, pancreas, and lining of the digestive tract come from ________
A) ectoderm B) endoderm C) mesoderm D) endometrium