Ecologists Are Particularly Concerned About Pathogens Because

question 54

Multiple Choice

Ecologists are particularly concerned about pathogens because

• A)human activities are transporting pathogens around the world at alarming rates.
• B)pathogens are evolving faster than ever before.
• C)host organisms are not coming up with defenses against pathogens.
• D)new technologies have allowed microbiologists to classify more new pathogens.
• E)pathogens that infect organisms at the community level will eventually infect human beings.

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Definitions:

Cost Curves

Graphical representations in economics that show how the costs of production vary with different levels of output.

Marginal Product

The additional output that can be produced by adding one more unit of a specific input, holding all other inputs constant.

Variable Input

An input in the production process that can be adjusted in the short term, such as labor or raw materials, to change the output level.

Total Output

The combined quantity of production or services produced by an entity in a given period.