At time one, 50 butterflies were captured and were marked with paint. Two days later, 100 were captured and 10 had been previously marked. What is the estimated population size?
a. 100
b. 500
c. 1000
d. 5000
e. 10,000
b
Biology & Microbiology
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____ can dominate the zooplankton community of temperate waters
a. Copepods b. Amphipods c. Barnacles d. Shrimp e. Heteropods
Biology & Microbiology
The structure labeled "G" is the ____
a. aorta b. pulmonary vein c. pulmonary artery d. inferior vena cava e. superior vena cava
Biology & Microbiology
________ is a halogen used in gaseous and liquid form for large scale disinfection of drinking water and sewage.
A. Fluorine B. Iodine C. Betadine D. Bromine E. Chlorine
Biology & Microbiology
The oxygen produced by a plant comes most directly from
A. CO2. B. H2O. C. C6H12O6. D. glyceraldehyde-3-phosphate.
Biology & Microbiology