The Black Plague killed about 100 million people in the fourteenth century. The bacteria that caused the plague was carried by fleas on rats and traveled great distances. Which would have most directly limited the spread of the disease?
A. cleaner water sources
B. refrigeration of food and water
C. reduction in the rodent population
D. better medicines to treat infected individuals
Select your answer:
Topics:
Physical Pharmacy Aerobic- Cardio Respiratory Endurance Food for Thought Cell Transport 5 Major Food Groups Nervous System/Endocrine System Types of Reproduction Cellular Transport and Metabolism Excretory and Musculoskeletal System Digestive System Osteoporosis Emergency Medicine Bacteriology CVA Diseases Communicable or non CommunicableOther quiz:
Population Ecology › ViewLogistic growth has 3 phases. In Phase 1, the population grows rapidly. In Phase 2, population grows slowly. In Phase 3, growth stops. What causes growth to stop in the 3rd phase of logistic growth?
A. Emigration
B. Immigration
C. Exponential Growth
D. Carrying Capacity
Physio Intro Practice › View
What is a control group in an experiment?
A. a group in an experiment that remains unchanged for purpose of comparison (missing the IV)
B. a group in an experiment that changes to compare the IV and DV variables
C. the manipulated group
D. the group that is altered