In the figure above:
a. the percent of fish found in larger groups increases as predation pressure increases.
b. the percent of fish found in larger groups increases as predation pressure decreases.
c. the percent of fish found in larger groups is not affected by changes in predation pressure.
d. None of the above.
A
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Which of the following lists the correct pathway of blood through the circulatory system?
A) Left ventricle, aorta, systemic circuit, vena cava, right atrium, right ventricle, lungs, left atrium B) Right ventricle, aorta, systemic circuit, vena cava, left atrium, left ventricle, lungs, right atrium C) Right ventricle, vena cava, systemic circuit, aorta, left atrium, left ventricle, lungs, right atrium D) Left ventricle, vena cava, systemic circuit, aorta, right atrium, right ventricle, lungs, left atrium
Many antibiotics work by inhibiting the synthesis of petidoglycan, a component of the bacterial cell wall. What is a possible mechanism of action for anti-fungal drugs?
A. inhibiting the synthesis of peptidoglycan in fungi B. inhibiting the synthesis of cellulose in fungi C. inhibiting the synthesis of chitin in fungi D. inhibiting the synthesis of lignin in fungi
The relationship of disease-causing organisms to an infected rabbit is one of
A. parasitism. B. commensalism. C. competition. D. herbivory. E. interference competition.
Which of the following antibiotics is/are produced by actinoplanetes?
A. Penicillin B. Nalidixic acid C. Gentamicin D. Cycloserine