Introduced disease causing organisms are especially dangerous to new environments because they can destroy the non-native host. This happens because the disease causing organisms
A. Are specialists and destroy the individual organisms that have not developed resistance
B. Have not evolved with this host to achieve the normal balance for long-term survival
C. Do not have natural predators
D. Are generalists and highly competitive
E. Are opportunists and in order to survive must out compete all other species
Answer: B
You might also like to view...
When scientists are testing ideas to determine facts, they
a. follow a specific set of logical steps b. report observations to the scientific community without data collection c. use different steps that are unique to each scientist d. use only mathematical modeling e. first ask fellow scientists at annual meetings what steps to take
Which of the following is true of hyaluronic acid?
A) It is an oligosaccharide. B) It has a formula weight of 1 x 10^5 g/mol. C) It has a formula weight of 1 x 10^7 g/mol. D) It has a large range of formula weights, from of 1 x 10^5 to 1 x 10^7 g/mol.
It has been said that recycling has grown too fast in the United States. Explain
What will be an ideal response?
What open water zone is near shore and over the continental shelf?
A) Oceanic zone B) Littoral zone C) Hadal zone D) Neritic zone