The most inclusive level of organization is exemplified by which of the following?

The portion of the earth’s surface that is composed of salt water (marine) is 

The 8 major terrestrial biomes are distinguished from each other by ___________________________________.

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

Competition for resources between members of the same species is called ____________________. 

The maximum population size that a particular environment can sustain is called the ________________________. 

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

Factors in which the density of the population affects growth rate and mortality are called density-dependent factors.   

The interacting populations occupying a given habitat form a 

The statistical study of population changes over time, including birth rates, death rates, and life expectancies, is called ________________.