The element that makes up the majority (78%) of the atmosphere is _________________.

A type of growth in which the growth rate is increasing at a greater and greater rate is called __________________. 

Classification. The various energy levels in an atom of magnesium (24Mg) have different numbers of electrons. Use the numbers below to answer the following questions.

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. 

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

Match the marine zone to the characteristic. 

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