Welcome to your Infectious Diseases Pre Test
Which animal's food sources most likely increased after the mall opened?
Data for four animal populations in a wooded area were collected before and after a shopping mall was constructed near the area. The graph shows changes in the populations.
At which temperature range will there be the most competition for space among these fish species?
Fish in a lake have to compete for space. Different fish have different optimal temperature ranges. The graph below shows the temperature ranges of four fish species.
How many citizens chose alternative energy sources?
Citizens in a communty were surveyed about the type of energy resource they would like for a new power plant. The results of the survey are shown in the table below.
Based on the following information, what is the most likely advantage of the bony fish tail fin over the shark tail fin?
After a trip to an aquarium, some students compared the tail fin of sharks with the tail fin of bony fish. The students made a data table listing characteristics of each type of tail fin.
Which of the following best summarizes the effect of saltwater on these plant species?
The graph shows the percent of seeds from two plant species that sprout when grown in water containing different amounts of salt.
If this day continues to be sunny, what will most likely happen to the length of the shadow from 2 P.M. to 4 P.M.?
The graph below shows changes in the length of the shadow of a tree during part of a day.
Health-care workers are exposed to many different types of pathogenic and nonpathogenic microorganisms. Which body systems work together to protect the body from pathogens?
Which of these describes a difference between viruses and cells?
In the 1880s, Louis Pasteur developed a method of weakening viruses. The weakened viruses could be injected into healthy individuals. How is this method effective in fighting viral diseases?
The 1918 influenza epidemic killed between 50 million and 100 million people worldwide. This epidemic happened near the end of World War I. More people died from the influenza epidemic than were killed in the war. Which of the following explains why this virus was so deadly worldwide?