*Question*: In which situation would it be an advantage to ship a product by plane rather than by truck?
*Answer*: The product must be delivered a long distance soon after it is made.

*Question*: Most of the bacteria in a forest ecosystem are best classified as which of the following types of organisms?
*Answer*: decomposers

*Question*: A crop of corn plants is genetically modified so that the plants produce a natural pesticide. People are concerned that these corn plants might transfer modified genetic material to other plants. Which of the following is the best way to further modify the plants to prevent them from transferring their genetic materials to other plants?
*Answer*:
changing the plants so they do not make pollen