What type of organisms are considered microbes?
A. Bacteria
B. Algae
C. Protozoa
D. Helminths
E. Fungi
F. Viruses
G. All of the above
H. None of the above
G. All of the above
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Campylobacter jejuni is the cause of ________.
A. fowl cholera B. meningitis C. wilt disease in plants D. abortion in sheep and enteritis diarrhea in humans
Which statement about abiotic factors in aquatic biomes is true?
a. Movement affects the availability of nutrients in both rivers and oceans. b. The numerous photosynthetic organisms in abyssal zones require sunlight. c. Chemosynthetic bacteria are found primarily in brackish water. d. Dissolved solids are found in oceans but not rivers.
The heart chamber with the thickest wall is the
a. left ventricle. b. right ventricle. c. right atrium. d. left atrium. e. both atria have equally thicker walls than the ventricles
In mosses and fungi, the process of meiosis produces
A) egg cells. B) hybrids. C) spores. D) sperm cells. E) oocytes.