Which statement is NOT an important reason to maintain an intact ecosystem?

    Wind turbines create electric energy by:

   In which protected area(s) can you hunt and fish?

   Global climate change has had numerous effects on Earth. Which effect has been a result of global climate change?

   During a typical predator–prey population cycle, the increase in the predator population is normally seen _____ an increase in the prey population. 

    Having physical, social, and economic access to sufficient safe and nutritious food is called:

    The change in population size over time is known as:

A nonrenewable natural resource formed millions of years ago from plant or animal remains that is used as an energy source is called a(n):

   How much additional oil can be recovered during secondary production?

   The window through which we view our world and existence is called our: