Evolution relies on genetic variation.  Genetic variation is mainly caused by three processes.  Which of the processes below does not belong?

The mycelium is a mesh of filaments and each filament is called

    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):