Scientific Inquiry — Unit test Answers

Which is the best classification for West Nile virus?

Which of the following scenarios represents change to an ecosystem brought about by biotic factors?a.a wildfire caused by lightning striking a treeb.a flood caused by a severe stormc.a landslide caused by cattle overgrazingd.a volcano

Hantavirus is a relatively rare emerging infectious disease that is spread by contact with the contaminated feces and urine of rodents, such as deer mice. It does not spread between people and causes flu-like symptoms. How would scientists most likely recommend that the disease be controlled?

Scientists are concerned about the invasion of pythons in the Florida Everglades. Pythons are from Asia and are not native to the Everglades. They eat eggs and birds, many of which are endangered. The snakes were introduced to the Everglades when people released into the wild pet snakes that had grown too large. Very few animals in the Everglades prey on the snakes. How will scientists be most effective at controlling this invasive species?