Introduced disease-causing organisms are especially dangerous to new environments because they can destroy the non-native host. This happens because the disease-causing organismsMultiple Choicehave not evolved with this host to achieve the normal balance for long-term survival.are opportunists and in order to survive must out-compete all other species.are specialists and destroy the individual organisms that have not developed resistance.do not have natural predators.are generalists and highly competitive.

What type of hazard involves a “pathogen”?a.Biologicalb.Chemicalc.Culturald.Physical

Which of these is not a cause of extinction - new diseases, new predators, adaptation or environmental change?

Development of emerging infectious disease can be a result of all of the following EXCEPTQuestion 10Answera.use of genetically modified foods.b.microbial mutation.c.modern transportation.d.changes in the environment.

Pathogens evolve and cause emergent diseases)Provide a SPECIFIC example of an emergent disease, including its most probable original source.

Natural selection within a species occurs when advantageous genetic mutations are passed on to the next generation. Which of the following is the best explanation for why this happens?Individuals with the mutation can escape predators more easilyIndividuals with the mutation are more likely to survive and breed successfully Mutations cause changes in the environment that make breeding more successfulThe mutation can be passed from individual to individual by pathogens 5/6 03-Jun-24 20:14