Terracing, contour farming, intercropping, and crop rotation all ________.

Net primary productivity is ________.

The view held by both Malthus and Paul Ehrlich suggests that depletion of resource supplies due to greater numbers of people ________.

Malthus was responsible for ________.

Most of the world’s forests are ________.

Which of the following countries has the highest population growth rate?

Many environmental advocates believe that biofuel made from palm oil is not an appropriate replacement for fossil fuels such as petroleum because ________.

A ________ is an organism, such as a mosquito, that transmits a disease-causing organism to a host.

In all ecosystems, energy is eventually lost to the environment via ________.

Use the figure above to answer the following question(s).Which of the following does the diagram illustrate?