In order to sample population size and density for very small or slow moving organisms, _______________ is most often used. 

Food webs are generally better than food chains because they account for multiple feeding interactions between species. 

When a harmless species imitates the warning coloration of a harmful species, it is called ___________. 

In the chapter, elephants were shown traveling in groups.  This is an example of a _______________ distribution pattern. 

Match the marine zone to the characteristic. 

When oak and hickory forests are cleared by wildfire, it is an example of _____________________. 

Which of the following elements contribute to the formation of algal blooms?

What is the most likely explanation for why the wooly mammoth went extinct? 

Write the negation of, “You’re late and the bus was late.”

Translate the following sentence into its logical form:  “If John passes the class then he worked hard and came to class on time.”